{
  "description": "ServiceRequest resource mapping for eLTSS",
  "_filename": "StructureDefinition-ServiceRequest-eltss.json",
  "package_name": "hl7.fhir.us.eltss",
  "date": "2019-02-17T00:00:00-05:00",
  "derivation": "constraint",
  "publisher": "HL7 International / Human and Social Services",
  "fhirVersion": "4.0.1",
  "jurisdiction": [ {
    "coding": [ {
      "code": "US",
      "system": "urn:iso:std:iso:3166"
    } ]
  } ],
  "name": "ServiceRequest_eltss",
  "mapping": [ {
    "uri": "http://hl7.org/fhir/workflow",
    "name": "Workflow Pattern",
    "identity": "workflow"
  }, {
    "uri": "http://hl7.org/v2",
    "name": "HL7 v2 Mapping",
    "identity": "v2"
  }, {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  }, {
    "uri": "http://hl7.org/fhir/fivews",
    "name": "FiveWs Pattern Mapping",
    "identity": "w5"
  }, {
    "uri": "http://siframework.org/cqf",
    "name": "Quality Improvement and Clinical Knowledge (QUICK)",
    "identity": "quick"
  } ],
  "abstract": false,
  "type": "ServiceRequest",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": null,
  "package_version": "2.0.0-ballot",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "hsswg"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 2,
    "_valueInteger": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical": "http://hl7.org/fhir/us/eltss/ImplementationGuide/hl7.fhir.us.eltss"
      } ]
    }
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use",
    "_valueCode": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical": "http://hl7.org/fhir/us/eltss/ImplementationGuide/hl7.fhir.us.eltss"
      } ]
    }
  } ],
  "snapshot": {
    "element": [ {
      "constraint": [ {
        "key": "dom-2",
        "human": "If the resource is contained in another resource, it SHALL NOT contain nested Resources",
        "xpath": "not(parent::f:contained and f:contained)",
        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource",
        "severity": "error",
        "expression": "contained.contained.empty()"
      }, {
        "key": "dom-3",
        "human": "If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource",
        "xpath": "not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))",
        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource",
        "severity": "error",
        "expression": "contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()"
      }, {
        "key": "dom-4",
        "human": "If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated",
        "xpath": "not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))",
        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource",
        "severity": "error",
        "expression": "contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"
      }, {
        "key": "dom-5",
        "human": "If a resource is contained in another resource, it SHALL NOT have a security label",
        "xpath": "not(exists(f:contained/*/f:meta/f:security))",
        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource",
        "severity": "error",
        "expression": "contained.meta.security.empty()"
      }, {
        "key": "dom-6",
        "human": "A resource should have narrative for robust management",
        "xpath": "exists(f:text/h:div)",
        "source": "http://hl7.org/fhir/StructureDefinition/DomainResource",
        "severity": "warning",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice",
          "valueBoolean": true
        }, {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation",
          "valueMarkdown": "When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time."
        } ],
        "expression": "text.`div`.exists()"
      }, {
        "key": "prr-1",
        "human": "orderDetail SHALL only be present if code is present",
        "xpath": "exists(f:code) or not(exists(f:orderDetail))",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "orderDetail.empty() or code.exists()"
      } ],
      "path": "ServiceRequest",
      "min": 0,
      "definition": "A record of a request for service such as diagnostic investigations, treatments, or operations to be performed.",
      "isModifier": false,
      "short": "A request for a service to be performed",
      "mapping": [ {
        "map": "Entity. Role, or Act",
        "identity": "rim"
      }, {
        "map": "Request",
        "identity": "workflow"
      }, {
        "map": "ORC",
        "identity": "v2"
      }, {
        "map": "Act[moodCode<=INT]",
        "identity": "rim"
      } ],
      "alias": [ "diagnostic request", "referral", "referral request", "transfer of care request" ],
      "max": "*",
      "id": "ServiceRequest",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest"
      },
      "isSummary": false
    }, {
      "path": "ServiceRequest.id",
      "min": 0,
      "definition": "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
      "isModifier": false,
      "short": "Logical id of this artifact",
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "id"
        } ]
      } ],
      "max": "1",
      "id": "ServiceRequest.id",
      "comment": "The only time that a resource does not have an id is when it is being submitted to the server using a create operation.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Resource.id"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.meta",
      "min": 0,
      "definition": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.",
      "isModifier": false,
      "short": "Metadata about the resource",
      "type": [ {
        "code": "Meta"
      } ],
      "max": "1",
      "id": "ServiceRequest.meta",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Resource.meta"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.implicitRules",
      "min": 0,
      "definition": "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.",
      "isModifier": true,
      "short": "A set of rules under which this content was created",
      "type": [ {
        "code": "uri"
      } ],
      "max": "1",
      "id": "ServiceRequest.implicitRules",
      "comment": "Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Resource.implicitRules"
      },
      "isModifierReason": "This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation",
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.language",
      "min": 0,
      "definition": "The base language in which the resource is written.",
      "isModifier": false,
      "short": "Language of the resource content",
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "preferred",
        "valueSet": "http://hl7.org/fhir/ValueSet/languages",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
          "valueCanonical": "http://hl7.org/fhir/ValueSet/all-languages"
        }, {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "Language"
        } ],
        "description": "A human language."
      },
      "max": "1",
      "id": "ServiceRequest.language",
      "comment": "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Resource.language"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.text",
      "min": 0,
      "definition": "A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
      "isModifier": false,
      "short": "Text summary of the resource, for human interpretation",
      "mapping": [ {
        "map": "Act.text?",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Narrative"
      } ],
      "alias": [ "narrative", "html", "xhtml", "display" ],
      "max": "1",
      "id": "ServiceRequest.text",
      "comment": "Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a \"text blob\" or where text is additionally entered raw or narrated and encoded information is added later.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "DomainResource.text"
      },
      "isSummary": false
    }, {
      "path": "ServiceRequest.contained",
      "min": 0,
      "definition": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",
      "isModifier": false,
      "short": "Contained, inline Resources",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Resource"
      } ],
      "alias": [ "inline resources", "anonymous resources", "contained resources" ],
      "max": "*",
      "id": "ServiceRequest.contained",
      "comment": "This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "DomainResource.contained"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "max": "*",
      "id": "ServiceRequest.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "DomainResource.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.extension",
      "min": 0,
      "definition": "Indicates whether the individual chose to  self-direct the service.",
      "isModifier": false,
      "short": "Self-Directed Service Indicator",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/eltss-directedBy" ]
      } ],
      "sliceName": "directedBy",
      "max": "*",
      "id": "ServiceRequest.extension:directedBy",
      "condition": [ "ele-1" ],
      "comment": "Can be populated with the value \"self\" to indicate that this service is self-directed. This is in addition to the author and owner fields.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "DomainResource.extension"
      }
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.extension",
      "min": 0,
      "definition": "Indicates that the resource is related to either the measurement, achievement or progress towards the referenced goal.  For example, a Procedure to exercise pertainsToGoal of losing weight.",
      "isModifier": false,
      "short": "The resource-pertainsToGoal relates the resource to the goal(s) that pertain to it. Whenever there is a goal associated with a health concern or problem, this extension should be present and populated in activity (event or intent) resources.",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/StructureDefinition/resource-pertainsToGoal" ]
      } ],
      "mustSupport": true,
      "sliceName": "resource-pertainsToGoal",
      "max": "*",
      "id": "ServiceRequest.extension:resource-pertainsToGoal",
      "comment": "This extension is  limited to subject-specific activity-related resources (events & intents).  I.e. This can't be put on Goal or Patient.  This association isn't for the purpose of goal management, but for things such as noting that a particular observation result, prescription or other activity is pertinent to the achievement (or possibly non-achievement) of the referenced goal.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "DomainResource.extension"
      }
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.modifierExtension",
      "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "isModifier": true,
      "short": "Extensions that cannot be ignored",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.modifierExtension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "DomainResource.modifierExtension"
      },
      "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them",
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.identifier",
      "min": 0,
      "definition": "Identifiers assigned to this order instance by the orderer and/or the receiver and/or order fulfiller.",
      "isModifier": false,
      "short": "Identifiers assigned to this order",
      "mapping": [ {
        "map": "Request.identifier",
        "identity": "workflow"
      }, {
        "map": "FiveWs.identifier",
        "identity": "w5"
      }, {
        "map": "ORC.2, ORC.3, RF1-6 / RF1-11,",
        "identity": "v2"
      }, {
        "map": ".identifier",
        "identity": "rim"
      }, {
        "map": "ClinicalStatement.identifier",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "Identifier"
      } ],
      "max": "*",
      "id": "ServiceRequest.identifier",
      "comment": "The identifier.type element is used to distinguish between the identifiers assigned by the orderer (known as the 'Placer' in HL7 v2) and the producer of the observations in response to the order (known as the 'Filler' in HL7 v2).  For further discussion and examples see the resource notes section below.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.identifier"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.instantiatesCanonical",
      "min": 0,
      "definition": "The URL pointing to a FHIR-defined protocol, guideline, orderset or other definition that is adhered to in whole or in part by this ServiceRequest.",
      "isModifier": false,
      "short": "Instantiates FHIR protocol or definition",
      "mapping": [ {
        "map": "Request.instantiatesCanonical",
        "identity": "workflow"
      }, {
        "map": "Varies by domain",
        "identity": "v2"
      }, {
        "map": ".outboundRelationship[typeCode=DEFN].target",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "canonical",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/ActivityDefinition", "http://hl7.org/fhir/StructureDefinition/PlanDefinition" ]
      } ],
      "max": "*",
      "id": "ServiceRequest.instantiatesCanonical",
      "comment": "Note: This is a business identifier, not a resource identifier (see [discussion](http://hl7.org/fhir/R4/resource.html#identifiers)).  It is best practice for the identifier to only appear on a single resource instance, however business practices may occasionally dictate that multiple resource instances with the same identifier can exist - possibly even with different resource types.  For example, multiple Patient and a Person resource instance might share the same social insurance number.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.instantiatesCanonical"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.instantiatesUri",
      "min": 0,
      "definition": "The URL pointing to an externally maintained protocol, guideline, orderset or other definition that is adhered to in whole or in part by this ServiceRequest.",
      "isModifier": false,
      "short": "Instantiates external protocol or definition",
      "mapping": [ {
        "map": "Request.instantiatesUri",
        "identity": "workflow"
      }, {
        "map": "Varies by domain",
        "identity": "v2"
      }, {
        "map": ".outboundRelationship[typeCode=DEFN].target",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "max": "*",
      "id": "ServiceRequest.instantiatesUri",
      "comment": "This might be an HTML page, PDF, etc. or could just be a non-resolvable URI identifier.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.instantiatesUri"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.basedOn",
      "min": 0,
      "definition": "Plan/proposal/order fulfilled by this request.",
      "isModifier": false,
      "short": "What request fulfills",
      "mapping": [ {
        "map": "Request.basedOn",
        "identity": "workflow"
      }, {
        "map": "ORC.8 (plus others)",
        "identity": "v2"
      }, {
        "map": ".outboundRelationship[typeCode=FLFS].target",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/CarePlan-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/ServiceRequest-eltss", "http://hl7.org/fhir/StructureDefinition/MedicationRequest" ]
      } ],
      "alias": [ "fulfills" ],
      "max": "*",
      "id": "ServiceRequest.basedOn",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.basedOn"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.replaces",
      "min": 0,
      "definition": "The request takes the place of the referenced completed or terminated request(s).",
      "isModifier": false,
      "short": "What request replaces",
      "mapping": [ {
        "map": "Request.replaces",
        "identity": "workflow"
      }, {
        "map": "Handled by message location of ORC (ORC.1=RO or RU)",
        "identity": "v2"
      }, {
        "map": ".outboundRelationship[typeCode=RPLC].target",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/ServiceRequest-eltss" ]
      } ],
      "alias": [ "supersedes", "prior", "renewed order" ],
      "max": "*",
      "id": "ServiceRequest.replaces",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.replaces"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.requisition",
      "requirements": "Some business processes need to know if multiple items were ordered as part of the same \"requisition\" for billing or other purposes.",
      "min": 0,
      "definition": "A shared identifier common to all service requests that were authorized more or less simultaneously by a single author, representing the composite or group identifier.",
      "isModifier": false,
      "short": "Composite Request ID",
      "mapping": [ {
        "map": "Request.groupIdentifier",
        "identity": "workflow"
      }, {
        "map": "ORC.4",
        "identity": "v2"
      }, {
        "map": ".inboundRelationship(typeCode=COMP].source[moodCode=INT].identifier",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Identifier"
      } ],
      "alias": [ "grouperId", "groupIdentifier" ],
      "max": "1",
      "id": "ServiceRequest.requisition",
      "comment": "Requests are linked either by a \"basedOn\" relationship (i.e. one request is fulfilling another) or by having a common requisition. Requests that are part of the same requisition are generally treated independently from the perspective of changing their state or maintaining them after initial creation.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.requisition"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.status",
      "min": 1,
      "definition": "The status of the order.",
      "isModifier": true,
      "short": "draft | active | on-hold | revoked | completed | entered-in-error | unknown",
      "mapping": [ {
        "map": "Request.status",
        "identity": "workflow"
      }, {
        "map": "FiveWs.status",
        "identity": "w5"
      }, {
        "map": "ORC.5,RF1-1",
        "identity": "v2"
      }, {
        "map": ".status",
        "identity": "rim"
      }, {
        "map": "Action.currentStatus",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/request-status|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "ServiceRequestStatus"
        } ],
        "description": "The status of a service order."
      },
      "max": "1",
      "id": "ServiceRequest.status",
      "comment": "The status is generally fully in the control of the requester - they determine whether the order is draft or active and, after it has been activated, competed, cancelled or suspended. States relating to the activities of the performer are reflected on either the corresponding event (see [Event Pattern](event.html) for general discussion) or using the [Task](task.html) resource.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "ServiceRequest.status"
      },
      "isModifierReason": "This element is labeled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid",
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.intent",
      "min": 1,
      "definition": "Whether the request is a proposal, plan, an original order or a reflex order.",
      "isModifier": true,
      "short": "proposal | plan | directive | order | original-order | reflex-order | filler-order | instance-order | option",
      "mapping": [ {
        "map": "Request.intent",
        "identity": "workflow"
      }, {
        "map": "FiveWs.class",
        "identity": "w5"
      }, {
        "map": "N/A",
        "identity": "v2"
      }, {
        "map": ".moodCode (nuances beyond PRP/PLAN/RQO would need to be elsewhere)",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/request-intent|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "ServiceRequestIntent"
        } ],
        "description": "The kind of service request."
      },
      "max": "1",
      "id": "ServiceRequest.intent",
      "comment": "This element is labeled as a modifier because the intent alters when and how the resource is actually applicable.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "ServiceRequest.intent"
      },
      "isModifierReason": "This element changes the interpretation of all descriptive attributes. For example \"the time the request is recommended to occur\" vs. \"the time the request is authorized to occur\" or \"who is recommended to perform the request\" vs. \"who is authorized to perform the request",
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.category",
      "requirements": "Used for filtering what service request are retrieved and displayed.",
      "min": 0,
      "definition": "A code that classifies the service for searching, sorting and display purposes (e.g. \"Surgical Procedure\").",
      "isModifier": false,
      "short": "Classification of service",
      "mapping": [ {
        "map": "FiveWs.class",
        "identity": "w5"
      }, {
        "map": "RF1-5",
        "identity": "v2"
      }, {
        "map": ".outboundRelationship[typeCode=\"COMP].target[classCode=\"LIST\", moodCode=\"INT\"].code",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "binding": {
        "strength": "example",
        "valueSet": "http://hl7.org/fhir/ValueSet/servicerequest-category",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "ServiceRequestCategory"
        } ],
        "description": "Classification of the requested service."
      },
      "max": "*",
      "id": "ServiceRequest.category",
      "comment": "There may be multiple axis of categorization depending on the context or use case for retrieving or displaying the resource.  The level of granularity is defined by the category concepts in the value set.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.category"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.priority",
      "min": 0,
      "definition": "Indicates how quickly the ServiceRequest should be addressed with respect to other requests.",
      "isModifier": false,
      "short": "routine | urgent | asap | stat",
      "mapping": [ {
        "map": "Request.priority",
        "identity": "workflow"
      }, {
        "map": "FiveWs.grade",
        "identity": "w5"
      }, {
        "map": "TQ1.9, RF1-2",
        "identity": "v2"
      }, {
        "map": ".priorityCode",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "meaningWhenMissing": "If missing, this task should be performed with normal priority",
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/request-priority|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "ServiceRequestPriority"
        } ],
        "description": "Identifies the level of importance to be assigned to actioning the request."
      },
      "max": "1",
      "id": "ServiceRequest.priority",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.priority"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.doNotPerform",
      "requirements": "Used for do not ambulate, do not elevate head of bed, do not flush NG tube, do not take blood pressure on a certain arm, etc.",
      "min": 0,
      "definition": "Set this to true if the record is saying that the service/procedure should NOT be performed.",
      "isModifier": true,
      "short": "True if service/procedure should not be performed",
      "mapping": [ {
        "map": "Request.doNotPerform",
        "identity": "workflow"
      }, {
        "map": ".actionNegationInd",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "boolean"
      } ],
      "meaningWhenMissing": "If missing, the request is a positive request e.g. \"do perform\"",
      "max": "1",
      "id": "ServiceRequest.doNotPerform",
      "comment": "In general, only the code and timeframe will be present, though occasional additional qualifiers such as body site or even performer could be included to narrow the scope of the prohibition.  If the ServiceRequest.code and ServiceRequest.doNotPerform both contain negation, that will reinforce prohibition and should not have a double negative interpretation.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.doNotPerform"
      },
      "isModifierReason": "If true this element negates the specified action. For Example,  instead of a request for a procedure, it is a request for the procedure to not occur.",
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.code",
      "min": 0,
      "definition": "Identifies the paid and/or non-paid service provided to a person. Include the code and display name plus any modifiers when a coding system (e.g., Healthcare Common Procedure Coding System (HCPCS), Home Health Revenue Codes) is used.",
      "isModifier": false,
      "short": "Service Name",
      "mapping": [ {
        "map": "Request.code",
        "identity": "workflow"
      }, {
        "map": "FiveWs.what[x]",
        "identity": "w5"
      }, {
        "map": "PR1-3 / OBR-4  (varies by domain)",
        "identity": "v2"
      }, {
        "map": ".code",
        "identity": "rim"
      }, {
        "map": "Procedure.procedureCode",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "mustSupport": true,
      "binding": {
        "strength": "preferred",
        "valueSet": "http://terminology.hl7.org/ValueSet/v3-HealthCareCommonProcedureCodingSystem",
        "description": "Use HCPCS (https://www.cms.gov/Medicare/Coding/MedHCPCSGenInfo/) code + modifiers or free text."
      },
      "alias": [ "service requested" ],
      "max": "1",
      "id": "ServiceRequest.code",
      "comment": "Use HCPCS (https://www.cms.gov/Medicare/Coding/MedHCPCSGenInfo/) code + modifiers or free text.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.code"
      },
      "isSummary": true
    }, {
      "path": "ServiceRequest.code.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "ServiceRequest.code.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.code.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.code.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.code.coding",
      "requirements": "Allows for alternative encodings within a code system, and translations to other code systems.",
      "min": 0,
      "definition": "A reference to a code defined by a terminology system.",
      "isModifier": false,
      "short": "Code defined by a terminology system",
      "mapping": [ {
        "map": "C*E.1-8, C*E.10-22",
        "identity": "v2"
      }, {
        "map": "union(., ./translation)",
        "identity": "rim"
      }, {
        "map": "fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding",
        "identity": "orim"
      } ],
      "type": [ {
        "code": "Coding"
      } ],
      "mustSupport": true,
      "max": "*",
      "id": "ServiceRequest.code.coding",
      "comment": "Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeableConcept.coding"
      },
      "isSummary": true
    }, {
      "path": "ServiceRequest.code.coding.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "ServiceRequest.code.coding.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.code.coding.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.code.coding.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.code.coding.system",
      "requirements": "Need to be unambiguous about the source of the definition of the symbol.",
      "min": 0,
      "definition": "The identification of the code system that defines the meaning of the symbol in the code.",
      "isModifier": false,
      "short": "Identity of the terminology system",
      "mapping": [ {
        "map": "C*E.3",
        "identity": "v2"
      }, {
        "map": "./codeSystem",
        "identity": "rim"
      }, {
        "map": "fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem",
        "identity": "orim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.code.coding.system",
      "comment": "The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should reference to some definition that establishes the system clearly and unambiguously.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Coding.system"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.code.coding.version",
      "min": 0,
      "definition": "The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured, and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged.",
      "isModifier": false,
      "short": "Version of the system - if relevant",
      "mapping": [ {
        "map": "C*E.7",
        "identity": "v2"
      }, {
        "map": "./codeSystemVersion",
        "identity": "rim"
      }, {
        "map": "fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion",
        "identity": "orim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "ServiceRequest.code.coding.version",
      "comment": "Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Coding.version"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.code.coding.code",
      "requirements": "Need to refer to a particular code in the system.",
      "min": 0,
      "definition": "A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination).",
      "isModifier": false,
      "short": "Symbol in syntax defined by the system",
      "mapping": [ {
        "map": "C*E.1",
        "identity": "v2"
      }, {
        "map": "./code",
        "identity": "rim"
      }, {
        "map": "fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code",
        "identity": "orim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.code.coding.code",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Coding.code"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.code.coding.display",
      "requirements": "Need to be able to carry a human-readable meaning of the code for readers that do not know  the system.",
      "min": 0,
      "definition": "A representation of the meaning of the code in the system, following the rules of the system.",
      "isModifier": false,
      "short": "Representation defined by the system",
      "mapping": [ {
        "map": "C*E.2 - but note this is not well followed",
        "identity": "v2"
      }, {
        "map": "CV.displayName",
        "identity": "rim"
      }, {
        "map": "fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName",
        "identity": "orim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable",
        "valueBoolean": true
      } ],
      "max": "1",
      "id": "ServiceRequest.code.coding.display",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Coding.display"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.code.coding.userSelected",
      "requirements": "This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing.",
      "min": 0,
      "definition": "Indicates that this coding was chosen by a user directly - e.g. off a pick list of available items (codes or displays).",
      "isModifier": false,
      "short": "If this coding was chosen directly by the user",
      "mapping": [ {
        "map": "Sometimes implied by being first",
        "identity": "v2"
      }, {
        "map": "CD.codingRationale",
        "identity": "rim"
      }, {
        "map": "fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\\#true a [     fhir:source \"true\";     fhir:target dt:CDCoding.codingRationale\\#O   ]",
        "identity": "orim"
      } ],
      "type": [ {
        "code": "boolean"
      } ],
      "max": "1",
      "id": "ServiceRequest.code.coding.userSelected",
      "comment": "Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Coding.userSelected"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.code.text",
      "requirements": "The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.",
      "min": 0,
      "definition": "A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.",
      "isModifier": false,
      "short": "Plain text representation of the concept",
      "mapping": [ {
        "map": "C*E.9. But note many systems use C*E.2 for this",
        "identity": "v2"
      }, {
        "map": "./originalText[mediaType/code=\"text/plain\"]/data",
        "identity": "rim"
      }, {
        "map": "fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText",
        "identity": "orim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable",
        "valueBoolean": true
      } ],
      "max": "1",
      "id": "ServiceRequest.code.text",
      "comment": "Very often the text is the same as a displayName of one of the codings.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeableConcept.text"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.orderDetail",
      "min": 0,
      "definition": "Additional details and instructions about the how the services are to be delivered.   For example, and order for a urinary catheter may have an order detail for an external or indwelling catheter, or an order for a bandage may require additional instructions specifying how the bandage should be applied.",
      "isModifier": false,
      "short": "Additional order information",
      "mapping": [ {
        "map": "NTE",
        "identity": "v2"
      }, {
        "map": ".code",
        "identity": "rim"
      }, {
        "map": "Procedure.procedureCode",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "binding": {
        "strength": "example",
        "valueSet": "http://hl7.org/fhir/ValueSet/servicerequest-orderdetail",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "OrderDetail"
        } ],
        "description": "Codified order entry details which are based on order context."
      },
      "alias": [ "detailed instructions" ],
      "max": "*",
      "id": "ServiceRequest.orderDetail",
      "condition": [ "prr-1" ],
      "comment": "For information from the medical record intended to support the delivery of the requested services, use the `supportingInformation` element.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.orderDetail"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x]",
      "requirements": "When ordering a service the number of service items may need to be specified separately from the the service item.",
      "min": 0,
      "definition": "The numerical amount/unit or Interval of the service unit being provided.",
      "isModifier": false,
      "short": "Service Unit Quantity + Unit Type + Time Interval",
      "mapping": [ {
        "map": "NTE",
        "identity": "v2"
      }, {
        "map": ".quantity",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      },
      "type": [ {
        "code": "Quantity"
      }, {
        "code": "Ratio"
      }, {
        "code": "Range"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]",
      "comment": "The numerical amount of the service unit being provided for a frequency.  This element is slated to be used in conjunction with Service Quantity Interval and Unit of Service Type elements to form a full description of how often a service is provided. \nOR \nA named quantity in terms of which services are measured or specified, used as a standard measurement of like services.\nOR \nA period of time corresponding to the quantity of service(s) indicated. Values include: per day, per week, per month, per year, one time only, other (free text).",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.quantity[x]"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x]",
      "requirements": "When ordering a service the number of service items may need to be specified separately from the the service item.",
      "min": 0,
      "definition": "An amount of service being requested which can be a quantity ( for example $1,500 home modification), a ratio ( for example, 20 half day visits per month), or a range (2.0 to 1.8 Gy per fraction).",
      "isModifier": false,
      "short": "Service amount",
      "mapping": [ {
        "map": "NTE",
        "identity": "v2"
      }, {
        "map": ".quantity",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Quantity"
      } ],
      "mustSupport": true,
      "sliceName": "quantityQuantity",
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityQuantity",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.quantity[x]"
      },
      "isSummary": true
    }, {
      "path": "ServiceRequest.quantity[x].id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityQuantity.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.quantity[x].extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.quantity[x]:quantityQuantity.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].value",
      "requirements": "Precision is handled implicitly in almost all cases of measurement.",
      "min": 0,
      "definition": "The value of the measured amount. The value includes an implicit precision in the presentation of the value.",
      "isModifier": false,
      "short": "Numerical value (with implicit precision)",
      "mapping": [ {
        "map": "SN.2  / CQ - N/A",
        "identity": "v2"
      }, {
        "map": "PQ.value, CO.value, MO.value, IVL.high or IVL.low depending on the value",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "decimal"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityQuantity.value",
      "comment": "The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.value"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].comparator",
      "requirements": "Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.",
      "min": 0,
      "definition": "How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is \"<\" , then the real value is < stated value.",
      "isModifier": true,
      "short": "< | <= | >= | > - how to understand the value",
      "mapping": [ {
        "map": "SN.1  / CQ.1",
        "identity": "v2"
      }, {
        "map": "IVL properties",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "meaningWhenMissing": "If there is no comparator, then there is no modification of the value",
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "QuantityComparator"
        } ],
        "description": "How the Quantity should be understood and represented."
      },
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityQuantity.comparator",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.comparator"
      },
      "isModifierReason": "This is labeled as \"Is Modifier\" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value",
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].unit",
      "requirements": "There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.",
      "min": 0,
      "definition": "A human-readable form of the unit.",
      "isModifier": false,
      "short": "UCUM codes are very useful here. But, if the concept maps to the unity unit in UCUM, then it is likely appropriate to choose a specific concept from another system. Use quanitityRatio when appropriate (such as in sessions per week) instead of quantityQuantity.",
      "mapping": [ {
        "map": "(see OBX.6 etc.) / CQ.2",
        "identity": "v2"
      }, {
        "map": "PQ.unit",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable",
        "valueBoolean": true
      } ],
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityQuantity.unit",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.unit"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].system",
      "requirements": "Need to know the system that defines the coded form of the unit.",
      "min": 0,
      "definition": "The identification of the system that provides the coded form of the unit.",
      "isModifier": false,
      "short": "System that defines coded unit form",
      "mapping": [ {
        "map": "(see OBX.6 etc.) / CQ.2",
        "identity": "v2"
      }, {
        "map": "CO.codeSystem, PQ.translation.codeSystem",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityQuantity.system",
      "condition": [ "qty-3" ],
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.system"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].code",
      "requirements": "Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.",
      "min": 0,
      "definition": "A computer processable form of the unit in some unit representation system.",
      "isModifier": false,
      "short": "Coded form of the unit",
      "mapping": [ {
        "map": "(see OBX.6 etc.) / CQ.2",
        "identity": "v2"
      }, {
        "map": "PQ.code, MO.currency, PQ.translation.code",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityQuantity.code",
      "comment": "The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency.  The context of use may additionally require a code from a particular system.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.code"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x]",
      "requirements": "When ordering a service the number of service items may need to be specified separately from the the service item.",
      "min": 0,
      "definition": "An amount of service being requested which can be a quantity ( for example $1,500 home modification), a ratio ( for example, 20 half day visits per month), or a range (2.0 to 1.8 Gy per fraction).",
      "isModifier": false,
      "short": "Service amount",
      "mapping": [ {
        "map": "NTE",
        "identity": "v2"
      }, {
        "map": ".quantity",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Ratio"
      } ],
      "mustSupport": true,
      "sliceName": "quantityRatio",
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.quantity[x]"
      },
      "isSummary": true
    }, {
      "path": "ServiceRequest.quantity[x].id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.quantity[x].extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.quantity[x]:quantityRatio.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].numerator",
      "min": 0,
      "definition": "The value of the numerator.",
      "isModifier": false,
      "short": "Numerator value",
      "mapping": [ {
        "map": ".numerator",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Quantity"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Ratio.numerator"
      },
      "isSummary": true
    }, {
      "path": "ServiceRequest.quantity[x].numerator.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.quantity[x].numerator.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].numerator.value",
      "requirements": "Precision is handled implicitly in almost all cases of measurement.",
      "min": 0,
      "definition": "The value of the measured amount. The value includes an implicit precision in the presentation of the value.",
      "isModifier": false,
      "short": "Numerical value (with implicit precision)",
      "mapping": [ {
        "map": "SN.2  / CQ - N/A",
        "identity": "v2"
      }, {
        "map": "PQ.value, CO.value, MO.value, IVL.high or IVL.low depending on the value",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "decimal"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.value",
      "comment": "The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.value"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].numerator.comparator",
      "requirements": "Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.",
      "min": 0,
      "definition": "How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is \"<\" , then the real value is < stated value.",
      "isModifier": true,
      "short": "< | <= | >= | > - how to understand the value",
      "mapping": [ {
        "map": "SN.1  / CQ.1",
        "identity": "v2"
      }, {
        "map": "IVL properties",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "meaningWhenMissing": "If there is no comparator, then there is no modification of the value",
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "QuantityComparator"
        } ],
        "description": "How the Quantity should be understood and represented."
      },
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.comparator",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.comparator"
      },
      "isModifierReason": "This is labeled as \"Is Modifier\" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value",
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].numerator.unit",
      "requirements": "There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.",
      "min": 0,
      "definition": "A human-readable form of the unit.",
      "isModifier": false,
      "short": "UCUM codes are very useful here, but also coded numerators could be used for something like: sessions per week. See the Implementation guidance section",
      "mapping": [ {
        "map": "(see OBX.6 etc.) / CQ.2",
        "identity": "v2"
      }, {
        "map": "PQ.unit",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable",
        "valueBoolean": true
      } ],
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.unit",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.unit"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].numerator.system",
      "requirements": "Need to know the system that defines the coded form of the unit.",
      "min": 0,
      "definition": "The identification of the system that provides the coded form of the unit.",
      "isModifier": false,
      "short": "System that defines coded unit form",
      "mapping": [ {
        "map": "(see OBX.6 etc.) / CQ.2",
        "identity": "v2"
      }, {
        "map": "CO.codeSystem, PQ.translation.codeSystem",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.system",
      "condition": [ "qty-3" ],
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.system"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].numerator.code",
      "requirements": "Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.",
      "min": 0,
      "definition": "A computer processable form of the unit in some unit representation system.",
      "isModifier": false,
      "short": "Coded form of the unit",
      "mapping": [ {
        "map": "(see OBX.6 etc.) / CQ.2",
        "identity": "v2"
      }, {
        "map": "PQ.code, MO.currency, PQ.translation.code",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.code",
      "comment": "The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency.  The context of use may additionally require a code from a particular system.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.code"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].denominator",
      "min": 0,
      "definition": "The value of the denominator.",
      "isModifier": false,
      "short": "Denominator value",
      "mapping": [ {
        "map": ".denominator",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Quantity"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Ratio.denominator"
      },
      "isSummary": true
    }, {
      "path": "ServiceRequest.quantity[x].denominator.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.quantity[x].denominator.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].denominator.value",
      "requirements": "Precision is handled implicitly in almost all cases of measurement.",
      "min": 0,
      "definition": "The value of the measured amount. The value includes an implicit precision in the presentation of the value.",
      "isModifier": false,
      "short": "Numerical value (with implicit precision)",
      "mapping": [ {
        "map": "SN.2  / CQ - N/A",
        "identity": "v2"
      }, {
        "map": "PQ.value, CO.value, MO.value, IVL.high or IVL.low depending on the value",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "decimal"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.value",
      "comment": "The implicit precision in the value should always be honored. Monetary values have their own rules for handling precision (refer to standard accounting text books).",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.value"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].denominator.comparator",
      "requirements": "Need a framework for handling measures where the value is <5ug/L or >400mg/L due to the limitations of measuring methodology.",
      "min": 0,
      "definition": "How the value should be understood and represented - whether the actual value is greater or less than the stated value due to measurement issues; e.g. if the comparator is \"<\" , then the real value is < stated value.",
      "isModifier": true,
      "short": "< | <= | >= | > - how to understand the value",
      "mapping": [ {
        "map": "SN.1  / CQ.1",
        "identity": "v2"
      }, {
        "map": "IVL properties",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "meaningWhenMissing": "If there is no comparator, then there is no modification of the value",
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/quantity-comparator|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "QuantityComparator"
        } ],
        "description": "How the Quantity should be understood and represented."
      },
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.comparator",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.comparator"
      },
      "isModifierReason": "This is labeled as \"Is Modifier\" because the comparator modifies the interpretation of the value significantly. If there is no comparator, then there is no modification of the value",
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].denominator.unit",
      "requirements": "There are many representations for units of measure and in many contexts, particular representations are fixed and required. I.e. mcg for micrograms.",
      "min": 0,
      "definition": "A human-readable form of the unit.",
      "isModifier": false,
      "short": "UCUM codes are very useful here",
      "mapping": [ {
        "map": "(see OBX.6 etc.) / CQ.2",
        "identity": "v2"
      }, {
        "map": "PQ.unit",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable",
        "valueBoolean": true
      } ],
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.unit",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.unit"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].denominator.system",
      "requirements": "Need to know the system that defines the coded form of the unit.",
      "min": 0,
      "definition": "The identification of the system that provides the coded form of the unit.",
      "isModifier": false,
      "short": "System that defines coded unit form",
      "mapping": [ {
        "map": "(see OBX.6 etc.) / CQ.2",
        "identity": "v2"
      }, {
        "map": "CO.codeSystem, PQ.translation.codeSystem",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.system",
      "condition": [ "qty-3" ],
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.system"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.quantity[x].denominator.code",
      "requirements": "Need a computable form of the unit that is fixed across all forms. UCUM provides this for quantities, but SNOMED CT provides many units of interest.",
      "min": 0,
      "definition": "A computer processable form of the unit in some unit representation system.",
      "isModifier": false,
      "short": "Coded form of the unit",
      "mapping": [ {
        "map": "(see OBX.6 etc.) / CQ.2",
        "identity": "v2"
      }, {
        "map": "PQ.code, MO.currency, PQ.translation.code",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.code",
      "comment": "The preferred system is UCUM, but SNOMED CT can also be used (for customary units) or ISO 4217 for currency.  The context of use may additionally require a code from a particular system.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Quantity.code"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.subject",
      "min": 1,
      "definition": "On whom or what the service is to be performed. This is usually a human patient, but can also be requested on animals, groups of humans or animals, devices such as dialysis machines, or even locations (typically for environmental scans).",
      "isModifier": false,
      "short": "Individual or Entity the service is ordered for",
      "mapping": [ {
        "map": "Request.subject",
        "identity": "workflow"
      }, {
        "map": "FiveWs.subject[x]",
        "identity": "w5"
      }, {
        "map": "PID",
        "identity": "v2"
      }, {
        "map": ".participation[typeCode=SBJ].role",
        "identity": "rim"
      }, {
        "map": "ClinicalStatement.subject",
        "identity": "quick"
      }, {
        "map": "FiveWs.subject",
        "identity": "w5"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Patient-eltss", "http://hl7.org/fhir/StructureDefinition/Group", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-implantable-device", "http://hl7.org/fhir/StructureDefinition/Device", "http://hl7.org/fhir/us/eltss/StructureDefinition/Location-eltss" ],
        "_targetProfile": [ {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, null, null, null, null ]
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.subject",
      "base": {
        "max": "1",
        "min": 1,
        "path": "ServiceRequest.subject"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.encounter",
      "min": 0,
      "definition": "An encounter that provides additional information about the healthcare context in which this request is made.",
      "isModifier": false,
      "short": "Encounter in which the request was created",
      "mapping": [ {
        "map": "Request.encounter",
        "identity": "workflow"
      }, {
        "map": "FiveWs.context",
        "identity": "w5"
      }, {
        "map": "PV1",
        "identity": "v2"
      }, {
        "map": ".inboundRelationship(typeCode=COMP].source[classCode<=PCPR, moodCode=EVN]",
        "identity": "rim"
      }, {
        "map": "ClinicalStatement.encounter",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/core/StructureDefinition/us-core-encounter" ]
      } ],
      "alias": [ "context" ],
      "max": "1",
      "id": "ServiceRequest.encounter",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.encounter"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x]",
      "min": 0,
      "definition": "The start and end date of the service being provided.",
      "isModifier": false,
      "short": "Service Start + End Date",
      "mapping": [ {
        "map": "Request.occurrence[x]",
        "identity": "workflow"
      }, {
        "map": "FiveWs.planned",
        "identity": "w5"
      }, {
        "map": "TQ1/TQ2, OBR-7/OBR-8",
        "identity": "v2"
      }, {
        "map": ".effectiveTime",
        "identity": "rim"
      }, {
        "map": "Procedure.procedureSchedule",
        "identity": "quick"
      } ],
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      },
      "type": [ {
        "code": "dateTime"
      }, {
        "code": "Period"
      }, {
        "code": "Timing"
      } ],
      "mustSupport": true,
      "alias": [ "schedule" ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.occurrence[x]"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x]",
      "min": 0,
      "definition": "The date/time at which the requested service should occur.",
      "isModifier": false,
      "short": "Use this when the quantity is meant to be performed within a defined, simple start and end date. E.g. For May 31,2023 to June 10, 2023 give ServicePlan.quantity of 5 [USD]/day.",
      "mapping": [ {
        "map": "Request.occurrence[x]",
        "identity": "workflow"
      }, {
        "map": "FiveWs.planned",
        "identity": "w5"
      }, {
        "map": "TQ1/TQ2, OBR-7/OBR-8",
        "identity": "v2"
      }, {
        "map": ".effectiveTime",
        "identity": "rim"
      }, {
        "map": "Procedure.procedureSchedule",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "Period"
      } ],
      "mustSupport": true,
      "sliceName": "occurrencePeriod",
      "alias": [ "schedule" ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrencePeriod",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.occurrence[x]"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x]",
      "min": 0,
      "definition": "The date/time at which the requested service should occur.",
      "isModifier": false,
      "short": "Please consider using this for timing information that fluctuates or is sufficiently complex. You will need to calculate end-date, or use occurrenceTiming.boundsPeriod to ascribe a start and end date. E.g. Give ServicePlan.quantity 5 with unit=[USD]/day with the occurrenceTiming.boundsPeriod of May 31, 2023 to June 23, 2023 on occurrenceTiming.dayOfWeek = Mon and Wed at occurrenceTiming.timeOfDay = 3 pm.",
      "mapping": [ {
        "map": "Request.occurrence[x]",
        "identity": "workflow"
      }, {
        "map": "FiveWs.planned",
        "identity": "w5"
      }, {
        "map": "TQ1/TQ2, OBR-7/OBR-8",
        "identity": "v2"
      }, {
        "map": ".effectiveTime",
        "identity": "rim"
      }, {
        "map": "Procedure.procedureSchedule",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "Timing"
      } ],
      "mustSupport": true,
      "sliceName": "occurrenceTiming",
      "alias": [ "schedule" ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.occurrence[x]"
      },
      "isSummary": true
    }, {
      "path": "ServiceRequest.occurrence[x].id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.occurrence[x].extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.occurrence[x].modifierExtension",
      "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "isModifier": true,
      "short": "Extensions that cannot be ignored even if unrecognized",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content", "modifiers" ],
      "max": "*",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.modifierExtension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "BackboneElement.modifierExtension"
      },
      "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].event",
      "requirements": "In a Medication Administration Record, for instance, you need to take a general specification, and turn it into a precise specification.",
      "min": 0,
      "definition": "Identifies specific times when the event occurs.",
      "isModifier": false,
      "short": "When the event occurs",
      "mapping": [ {
        "map": "QLIST",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "dateTime"
      } ],
      "max": "*",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.event",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Timing.event"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "tim-1",
        "human": "if there's a duration, there needs to be duration units",
        "xpath": "not(exists(f:duration)) or exists(f:durationUnit)",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "duration.empty() or durationUnit.exists()"
      }, {
        "key": "tim-2",
        "human": "if there's a period, there needs to be period units",
        "xpath": "not(exists(f:period)) or exists(f:periodUnit)",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "period.empty() or periodUnit.exists()"
      }, {
        "key": "tim-4",
        "human": "duration SHALL be a non-negative value",
        "xpath": "f:duration/@value >= 0 or not(f:duration/@value)",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "duration.exists() implies duration >= 0"
      }, {
        "key": "tim-5",
        "human": "period SHALL be a non-negative value",
        "xpath": "f:period/@value >= 0 or not(f:period/@value)",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "period.exists() implies period >= 0"
      }, {
        "key": "tim-6",
        "human": "If there's a periodMax, there must be a period",
        "xpath": "not(exists(f:periodMax)) or exists(f:period)",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "periodMax.empty() or period.exists()"
      }, {
        "key": "tim-7",
        "human": "If there's a durationMax, there must be a duration",
        "xpath": "not(exists(f:durationMax)) or exists(f:duration)",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "durationMax.empty() or duration.exists()"
      }, {
        "key": "tim-8",
        "human": "If there's a countMax, there must be a count",
        "xpath": "not(exists(f:countMax)) or exists(f:count)",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "countMax.empty() or count.exists()"
      }, {
        "key": "tim-9",
        "human": "If there's an offset, there must be a when (and not C, CM, CD, CV)",
        "xpath": "not(exists(f:offset)) or exists(f:when)",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "offset.empty() or (when.exists() and ((when in ('C' | 'CM' | 'CD' | 'CV')).not()))"
      }, {
        "key": "tim-10",
        "human": "If there's a timeOfDay, there cannot be a when, or vice versa",
        "xpath": "not(exists(f:timeOfDay)) or not(exists(f:when))",
        "source": "http://hl7.org/fhir/StructureDefinition/ServiceRequest",
        "severity": "error",
        "expression": "timeOfDay.empty() or when.empty()"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat",
      "requirements": "Many timing schedules are determined by regular repetitions.",
      "min": 0,
      "definition": "A set of rules that describe when the event is scheduled.",
      "isModifier": false,
      "short": "When the event is to occur",
      "mapping": [ {
        "map": "Implies PIVL or EIVL",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Element"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat"
      },
      "isSummary": true
    }, {
      "path": "ServiceRequest.occurrence[x].repeat.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x]",
      "min": 0,
      "definition": "Either a duration for the length of the timing schedule, a range of possible length, or outer bounds for start and/or end limits of the timing schedule.",
      "isModifier": false,
      "short": "Length/Range of lengths, or (Start and/or end) limits",
      "mapping": [ {
        "map": "IVL(TS) used in a QSI",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      },
      "type": [ {
        "code": "Duration"
      }, {
        "code": "Range"
      }, {
        "code": "Period"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.bounds[x]"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x]",
      "min": 0,
      "definition": "Either a duration for the length of the timing schedule, a range of possible length, or outer bounds for start and/or end limits of the timing schedule.",
      "isModifier": false,
      "short": "Length/Range of lengths, or (Start and/or end) limits",
      "mapping": [ {
        "map": "IVL(TS) used in a QSI",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Period"
      } ],
      "mustSupport": true,
      "sliceName": "boundsPeriod",
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]:boundsPeriod",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.bounds[x]"
      },
      "isSummary": true
    }, {
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x].id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "isModifier": false,
      "short": "Unique id for inter-element referencing",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "http://hl7.org/fhirpath/System.String",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl": "string"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]:boundsPeriod.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x].extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "isModifier": false,
      "short": "Additional content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]:boundsPeriod.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x].start",
      "min": 0,
      "definition": "The start of the period. The boundary is inclusive.",
      "isModifier": false,
      "short": "Starting time with inclusive boundary",
      "mapping": [ {
        "map": "DR.1",
        "identity": "v2"
      }, {
        "map": "./low",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "dateTime"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]:boundsPeriod.start",
      "condition": [ "per-1" ],
      "comment": "If the low element is missing, the meaning is that the low boundary is not known.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Period.start"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x].end",
      "min": 0,
      "definition": "The end of the period. If the end of the period is missing, it means no end was known or planned at the time the instance was created. The start may be in the past, and the end date in the future, which means that period is expected/planned to end at that time.",
      "isModifier": false,
      "short": "End time with inclusive boundary, if not ongoing",
      "mapping": [ {
        "map": "DR.2",
        "identity": "v2"
      }, {
        "map": "./high",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "dateTime"
      } ],
      "mustSupport": true,
      "meaningWhenMissing": "If the end of the period is missing, it means that the period is ongoing",
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]:boundsPeriod.end",
      "condition": [ "per-1" ],
      "comment": "The high value includes any matching date/time. i.e. 2012-02-03T10:00:00 is in a period that has an end value of 2012-02-03.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Period.end"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.count",
      "requirements": "Repetitions may be limited by end time or total occurrences.",
      "min": 0,
      "definition": "A total count of the desired number of repetitions across the duration of the entire timing specification. If countMax is present, this element indicates the lower bound of the allowed range of count values.",
      "isModifier": false,
      "short": "Number of times to repeat",
      "mapping": [ {
        "map": "PIVL.count",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "positiveInt"
      } ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.count",
      "comment": "If you have both bounds and count, then this should be understood as within the bounds period, until count times happens.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.count"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.countMax",
      "min": 0,
      "definition": "If present, indicates that the count is a range - so to perform the action between [count] and [countMax] times.",
      "isModifier": false,
      "short": "Maximum number of times to repeat",
      "mapping": [ {
        "map": "PIVL.count",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "positiveInt"
      } ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.countMax",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.countMax"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.duration",
      "requirements": "Some activities are not instantaneous and need to be maintained for a period of time.",
      "min": 0,
      "definition": "How long this thing happens for when it happens. If durationMax is present, this element indicates the lower bound of the allowed range of the duration.",
      "isModifier": false,
      "short": "How long when it happens",
      "mapping": [ {
        "map": "PIVL.phase",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "decimal"
      } ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.duration",
      "comment": "For some events the duration is part of the definition of the event (e.g. IV infusions, where the duration is implicit in the specified quantity and rate). For others, it's part of the timing specification (e.g. exercise).",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.duration"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.durationMax",
      "requirements": "Some activities are not instantaneous and need to be maintained for a period of time.",
      "min": 0,
      "definition": "If present, indicates that the duration is a range - so to perform the action between [duration] and [durationMax] time length.",
      "isModifier": false,
      "short": "How long when it happens (Max)",
      "mapping": [ {
        "map": "PIVL.phase",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "decimal"
      } ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.durationMax",
      "comment": "For some events the duration is part of the definition of the event (e.g. IV infusions, where the duration is implicit in the specified quantity and rate). For others, it's part of the timing specification (e.g. exercise).",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.durationMax"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.durationUnit",
      "min": 0,
      "definition": "The units of time for the duration, in UCUM units.",
      "isModifier": false,
      "short": "s | min | h | d | wk | mo | a - unit of time (UCUM)",
      "mapping": [ {
        "map": "PIVL.phase.unit",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/units-of-time|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "UnitsOfTime"
        } ],
        "description": "A unit of time (units from UCUM)."
      },
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.durationUnit",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.durationUnit"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.frequency",
      "min": 0,
      "definition": "The number of times to repeat the action within the specified period. If frequencyMax is present, this element indicates the lower bound of the allowed range of the frequency.",
      "isModifier": false,
      "short": "Event occurs frequency times per period",
      "mapping": [ {
        "map": "PIVL.phase",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "positiveInt"
      } ],
      "meaningWhenMissing": "If no frequency is stated, the assumption is that the event occurs once per period, but systems SHOULD always be specific about this",
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.frequency",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.frequency"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.frequencyMax",
      "min": 0,
      "definition": "If present, indicates that the frequency is a range - so to repeat between [frequency] and [frequencyMax] times within the period or period range.",
      "isModifier": false,
      "short": "Event occurs up to frequencyMax times per period",
      "mapping": [ {
        "map": "PIVL.phase",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "positiveInt"
      } ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.frequencyMax",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.frequencyMax"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.period",
      "min": 0,
      "definition": "Indicates the duration of time over which repetitions are to occur; e.g. to express \"3 times per day\", 3 would be the frequency and \"1 day\" would be the period. If periodMax is present, this element indicates the lower bound of the allowed range of the period length.",
      "isModifier": false,
      "short": "Event occurs frequency times per period",
      "mapping": [ {
        "map": "PIVL.phase",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "decimal"
      } ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.period",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.period"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.periodMax",
      "min": 0,
      "definition": "If present, indicates that the period is a range from [period] to [periodMax], allowing expressing concepts such as \"do this once every 3-5 days.",
      "isModifier": false,
      "short": "Upper limit of period (3-4 hours)",
      "mapping": [ {
        "map": "PIVL.phase",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "decimal"
      } ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.periodMax",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.periodMax"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.periodUnit",
      "min": 0,
      "definition": "The units of time for the period in UCUM units.",
      "isModifier": false,
      "short": "s | min | h | d | wk | mo | a - unit of time (UCUM)",
      "mapping": [ {
        "map": "PIVL.phase.unit",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/units-of-time|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "UnitsOfTime"
        } ],
        "description": "A unit of time (units from UCUM)."
      },
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.periodUnit",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.periodUnit"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.dayOfWeek",
      "min": 0,
      "definition": "If one or more days of week is provided, then the action happens only on the specified day(s).",
      "isModifier": false,
      "short": "mon | tue | wed | thu | fri | sat | sun",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/days-of-week|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "DayOfWeek"
        } ]
      },
      "max": "*",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.dayOfWeek",
      "comment": "If no days are specified, the action is assumed to happen every day as otherwise specified. The elements frequency and period cannot be used as well as dayOfWeek.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Timing.repeat.dayOfWeek"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.timeOfDay",
      "min": 0,
      "definition": "Specified time of day for action to take place.",
      "isModifier": false,
      "short": "Time of day for action",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "time"
      } ],
      "max": "*",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.timeOfDay",
      "comment": "When time of day is specified, it is inferred that the action happens every day (as filtered by dayofWeek) on the specified times. The elements when, frequency and period cannot be used as well as timeOfDay.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Timing.repeat.timeOfDay"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.when",
      "requirements": "Timings are frequently determined by occurrences such as waking, eating and sleep.",
      "min": 0,
      "definition": "An approximate time period during the day, potentially linked to an event of daily living that indicates when the action should occur.",
      "isModifier": false,
      "short": "Code for time period of occurrence",
      "mapping": [ {
        "map": "EIVL.event",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/event-timing|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "EventTiming"
        } ],
        "description": "Real world event relating to the schedule."
      },
      "max": "*",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.when",
      "comment": "When more than one event is listed, the event is tied to the union of the specified events.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Timing.repeat.when"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].repeat.offset",
      "min": 0,
      "definition": "The number of minutes from the event. If the event code does not indicate whether the minutes is before or after the event, then the offset is assumed to be after the event.",
      "isModifier": false,
      "short": "Minutes from event (before or after)",
      "mapping": [ {
        "map": "EIVL.offset",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "unsignedInt"
      } ],
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.offset",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.repeat.offset"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.occurrence[x].code",
      "min": 0,
      "definition": "A code for the timing schedule (or just text in code.text). Some codes such as BID are ubiquitous, but many institutions define their own additional codes. If a code is provided, the code is understood to be a complete statement of whatever is specified in the structured timing data, and either the code or the data may be used to interpret the Timing, with the exception that .repeat.bounds still applies over the code (and is not contained in the code).",
      "isModifier": false,
      "short": "BID | TID | QID | AM | PM | QD | QOD | +",
      "mapping": [ {
        "map": "QSC.code",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "binding": {
        "strength": "preferred",
        "valueSet": "http://hl7.org/fhir/ValueSet/timing-abbreviation",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "TimingAbbreviation"
        } ],
        "description": "Code for a known / defined timing pattern."
      },
      "max": "1",
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.code",
      "comment": "BID etc. are defined as 'at institutionally specified times'. For example, an institution may choose that BID is \"always at 7am and 6pm\".  If it is inappropriate for this choice to be made, the code BID should not be used. Instead, a distinct organization-specific code should be used in place of the HL7-defined BID code and/or a structured representation should be used (in this case, specifying the two event times).",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Timing.code"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.asNeeded[x]",
      "min": 0,
      "definition": "If a CodeableConcept is present, it indicates the pre-condition for performing the service.  For example \"pain\", \"on flare-up\", etc.",
      "isModifier": false,
      "short": "Preconditions for service",
      "mapping": [ {
        "map": "boolean: precondition.negationInd (inversed - so negationInd = true means asNeeded=false CodeableConcept: precondition.observationEventCriterion[code=\"Assertion\"].value",
        "identity": "rim"
      }, {
        "map": "Proposal.prnReason.reason",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "boolean"
      }, {
        "code": "CodeableConcept"
      } ],
      "binding": {
        "strength": "example",
        "valueSet": "http://hl7.org/fhir/ValueSet/medication-as-needed-reason",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "ProcedureAsNeededReason"
        } ],
        "description": "A coded concept identifying the pre-condition that should hold prior to performing a procedure.  For example \"pain\", \"on flare-up\", etc."
      },
      "max": "1",
      "id": "ServiceRequest.asNeeded[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.asNeeded[x]"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.authoredOn",
      "min": 0,
      "definition": "When the request transitioned to being actionable.",
      "isModifier": false,
      "short": "Date request signed",
      "mapping": [ {
        "map": "Request.authoredOn",
        "identity": "workflow"
      }, {
        "map": "FiveWs.recorded",
        "identity": "w5"
      }, {
        "map": "ORC.9,  RF1-7 / RF1-9",
        "identity": "v2"
      }, {
        "map": ".participation[typeCode=AUT].time",
        "identity": "rim"
      }, {
        "map": "Proposal.proposedAtTime",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "dateTime"
      } ],
      "mustSupport": true,
      "alias": [ "orderedOn" ],
      "max": "1",
      "id": "ServiceRequest.authoredOn",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.authoredOn"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.requester",
      "min": 0,
      "definition": "The individual who initiated the request and has responsibility for its activation.",
      "isModifier": false,
      "short": "Who/what is requesting service",
      "mapping": [ {
        "map": "Request.requester",
        "identity": "workflow"
      }, {
        "map": "FiveWs.author",
        "identity": "w5"
      }, {
        "map": "ORC.12, PRT",
        "identity": "v2"
      }, {
        "map": ".participation[typeCode=AUT].role",
        "identity": "rim"
      }, {
        "map": "ClinicalStatement.statementAuthor",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Practitioner-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/PractitionerRole-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/Patient-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-organization", "http://hl7.org/fhir/us/eltss/StructureDefinition/RelatedPerson-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-implantable-device", "http://hl7.org/fhir/StructureDefinition/Device" ],
        "_targetProfile": [ {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, null, null, null, null, null, null ]
      } ],
      "mustSupport": true,
      "alias": [ "author", "orderer" ],
      "max": "1",
      "id": "ServiceRequest.requester",
      "comment": "This not the dispatcher, but rather who is the authorizer.  This element is not intended to handle delegation which would generally be managed through the Provenance resource.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.requester"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.performerType",
      "min": 0,
      "definition": "Desired type of performer for doing the requested service.",
      "isModifier": false,
      "short": "Performer role",
      "mapping": [ {
        "map": "Request.performerType",
        "identity": "workflow"
      }, {
        "map": "FiveWs.actor",
        "identity": "w5"
      }, {
        "map": "PRT, RF!-3",
        "identity": "v2"
      }, {
        "map": ".participation[typeCode=PRF].role[scoper.determinerCode=KIND].code",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "binding": {
        "strength": "example",
        "valueSet": "http://hl7.org/fhir/ValueSet/participant-role",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "ServiceRequestParticipantRole"
        } ],
        "description": "Indicates specific responsibility of an individual within the care team, such as \"Primary physician\", \"Team coordinator\", \"Caregiver\", etc."
      },
      "alias": [ "specialty" ],
      "max": "1",
      "id": "ServiceRequest.performerType",
      "comment": "This is a  role, not  a participation type.  In other words, does not describe the task but describes the capacity.  For example, “compounding pharmacy”, “psychiatrist” or “internal referral”.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.performerType"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.performer",
      "min": 0,
      "definition": "The entity or individual providing the service. For paid services use the organization/agency name, for non-paid services use the first and last name of the individual providing the service.",
      "isModifier": false,
      "short": "Service Provider Name + Phone + Relationship",
      "mapping": [ {
        "map": "Request.performer",
        "identity": "workflow"
      }, {
        "map": "FiveWs.actor",
        "identity": "w5"
      }, {
        "map": "PRT, Practitioner: PRD-2/PRD-7 where PRD-3 = RT; Organization: PRD-10 where PRD-3 = RT",
        "identity": "v2"
      }, {
        "map": ".participation[typeCode=PRF].role[scoper.determinerCode=INSTANCE]",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Practitioner-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/PractitionerRole-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/Patient-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-organization", "http://hl7.org/fhir/us/eltss/StructureDefinition/RelatedPerson-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-implantable-device", "http://hl7.org/fhir/StructureDefinition/Device", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-careteam", "http://hl7.org/fhir/StructureDefinition/HealthcareService" ],
        "_targetProfile": [ {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, null, null, null, null ]
      } ],
      "mustSupport": true,
      "alias": [ "request recipient" ],
      "max": "*",
      "id": "ServiceRequest.performer",
      "comment": "If multiple performers are present, it is interpreted as a list of *alternative* performers without any preference regardless of order.  If order of preference is needed use the [request-performerOrder extension](http://hl7.org/fhir/R4/extension-request-performerorder.html).  Use CareTeam to represent a group of performers (for example, Practitioner A *and* Practitioner B).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.performer"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.locationCode",
      "min": 0,
      "definition": "The preferred location(s) where the procedure should actually happen in coded or free text form. E.g. at home or nursing day care center.",
      "isModifier": false,
      "short": "Requested location",
      "mapping": [ {
        "map": "FiveWs.actor",
        "identity": "w5"
      }, {
        "map": ".participation[typeCode=LOC].role[scoper.determinerCode=KIND].code",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "binding": {
        "strength": "example",
        "valueSet": "http://terminology.hl7.org/ValueSet/v3-ServiceDeliveryLocationRoleType",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "ServiceRequestLocation"
        } ],
        "description": "A location type where services are delivered."
      },
      "max": "*",
      "id": "ServiceRequest.locationCode",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.locationCode"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.locationReference",
      "min": 0,
      "definition": "The address where service delivery will take place if service will not be provided at the person's address.",
      "isModifier": false,
      "short": "Service Delivery Address",
      "mapping": [ {
        "map": "FiveWs.actor",
        "identity": "w5"
      }, {
        "map": ".participation[typeCode=LOC].role[scoper.determinerCode=INSTANCE]",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Location-eltss" ]
      } ],
      "mustSupport": true,
      "max": "*",
      "id": "ServiceRequest.locationReference",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.locationReference"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.reasonCode",
      "min": 0,
      "definition": "An explanation or justification for why this service is being requested in coded or textual form.   This is often for billing purposes.  May relate to the resources referred to in `supportingInfo`.",
      "isModifier": false,
      "short": "Explanation/Justification for procedure or service",
      "mapping": [ {
        "map": "Request.reasonCode",
        "identity": "workflow"
      }, {
        "map": "FiveWs.why[x]",
        "identity": "w5"
      }, {
        "map": "ORC.16, RF1-10",
        "identity": "v2"
      }, {
        "map": ".reasonCode",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "binding": {
        "strength": "example",
        "valueSet": "http://hl7.org/fhir/ValueSet/procedure-reason",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "ServiceRequestReason"
        } ],
        "description": "Diagnosis or problem codes justifying the reason for requesting the service investigation."
      },
      "max": "*",
      "id": "ServiceRequest.reasonCode",
      "comment": "This element represents why the referral is being made and may be used to decide how the service will be performed, or even if it will be performed at all.   Use `CodeableConcept.text` element if the data is free (uncoded) text as shown in the [CT Scan example](servicerequest-example-di.html).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.reasonCode"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.reasonReference",
      "min": 0,
      "definition": "Indicates another resource that provides a justification for why this service is being requested.   May relate to the resources referred to in `supportingInfo`.",
      "isModifier": false,
      "short": "Explanation/Justification for service or service",
      "mapping": [ {
        "map": "Request.reasonReference",
        "identity": "workflow"
      }, {
        "map": "FiveWs.why[x]",
        "identity": "w5"
      }, {
        "map": "ORC.16",
        "identity": "v2"
      }, {
        "map": ".outboundRelationship[typeCode=RSON].target",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Condition-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/Observation-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-diagnosticreport-note", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-documentreference" ]
      } ],
      "max": "*",
      "id": "ServiceRequest.reasonReference",
      "comment": "This element represents why the referral is being made and may be used to decide how the service will be performed, or even if it will be performed at all.    To be as specific as possible,  a reference to  *Observation* or *Condition* should be used if available.  Otherwise when referencing  *DiagnosticReport*  it should contain a finding  in `DiagnosticReport.conclusion` and/or `DiagnosticReport.conclusionCode`.   When using a reference to *DocumentReference*, the target document should contain clear findings language providing the relevant reason for this service request.  Use  the CodeableConcept text element in `ServiceRequest.reasonCode` if the data is free (uncoded) text as shown in the [CT Scan example](servicerequest-example-di.html).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.reasonReference"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.insurance",
      "min": 0,
      "definition": "The source of payment for the service.",
      "isModifier": false,
      "short": "Service Funding Source",
      "mapping": [ {
        "map": "Request.insurance",
        "identity": "workflow"
      }, {
        "map": "IN1/IN2",
        "identity": "v2"
      }, {
        "map": ".outboundRelationship[typeCode=COVBY].target",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Coverage", "http://hl7.org/fhir/StructureDefinition/ClaimResponse" ],
        "_targetProfile": [ {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, null ]
      } ],
      "mustSupport": true,
      "max": "*",
      "id": "ServiceRequest.insurance",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.insurance"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.supportingInfo",
      "min": 0,
      "definition": "Additional clinical information about the patient or specimen that may influence the services or their interpretations.     This information includes diagnosis, clinical findings and other observations.  In laboratory ordering these are typically referred to as \"ask at order entry questions (AOEs)\".  This includes observations explicitly requested by the producer (filler) to provide context or supporting information needed to complete the order. For example,  reporting the amount of inspired oxygen for blood gas measurements.",
      "isModifier": false,
      "short": "Additional clinical information",
      "mapping": [ {
        "map": "Request.supportingInfo",
        "identity": "workflow"
      }, {
        "map": "Accompanying segments",
        "identity": "v2"
      }, {
        "map": ".outboundRelationship[typeCode=PERT].target",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Resource" ]
      } ],
      "mustSupport": true,
      "alias": [ "Ask at order entry question", "AOE" ],
      "max": "*",
      "id": "ServiceRequest.supportingInfo",
      "comment": "To represent information about how the services are to be delivered use the `instructions` element.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.supportingInfo"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.specimen",
      "min": 0,
      "definition": "One or more specimens that the laboratory procedure will use.",
      "isModifier": false,
      "short": "Procedure Samples",
      "mapping": [ {
        "map": "SPM",
        "identity": "v2"
      }, {
        "map": ".participation[typeCode=SPC].role",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Specimen" ]
      } ],
      "max": "*",
      "id": "ServiceRequest.specimen",
      "comment": "Many diagnostic procedures need a specimen, but the request itself is not actually about the specimen. This element is for when the diagnostic is requested on already existing specimens and the request points to the specimen it applies to.    Conversely, if the request is entered first with an unknown specimen, then the [Specimen](specimen.html) resource points to the ServiceRequest.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.specimen"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.bodySite",
      "requirements": "Knowing where the procedure is performed is important for tracking if multiple sites are possible.",
      "min": 0,
      "definition": "Anatomic location where the procedure should be performed. This is the target site.",
      "isModifier": false,
      "short": "Location on Body",
      "mapping": [ {
        "map": "SPM",
        "identity": "v2"
      }, {
        "map": "targetSiteCode",
        "identity": "rim"
      }, {
        "map": "Procedure.targetBodySite",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "binding": {
        "strength": "example",
        "valueSet": "http://hl7.org/fhir/ValueSet/body-site",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "BodySite"
        } ],
        "description": "Codes describing anatomical locations. May include laterality."
      },
      "alias": [ "location" ],
      "max": "*",
      "id": "ServiceRequest.bodySite",
      "comment": "Only used if not implicit in the code found in ServiceRequest.code.  If the use case requires BodySite to be handled as a separate resource instead of an inline coded element (e.g. to identify and track separately)  then use the standard extension [procedure-targetBodyStructure](http://hl7.org/fhir/R4/extension-procedure-targetbodystructure.html).",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.bodySite"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.note",
      "min": 0,
      "definition": "Additional information related to the service being provided. This field could capture additional information of the frequency of the service, how the person wants the service delivered and only used when the comment provides additional detail of the service not already handled by another element.",
      "isModifier": false,
      "short": "Service Comment",
      "mapping": [ {
        "map": "Request.note",
        "identity": "workflow"
      }, {
        "map": "NTE",
        "identity": "v2"
      }, {
        "map": ".inboundRelationship(typeCode=SUBJ].source[classCode=ANNGEN, moodCode=EVN].value[xsi:type=ST]",
        "identity": "rim"
      }, {
        "map": "ClinicalStatement.additionalText",
        "identity": "quick"
      } ],
      "type": [ {
        "code": "Annotation"
      } ],
      "mustSupport": true,
      "max": "*",
      "id": "ServiceRequest.note",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.note"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.patientInstruction",
      "min": 0,
      "definition": "Instructions in terms that are understood by the patient or consumer.",
      "isModifier": false,
      "short": "Patient or consumer-oriented instructions",
      "mapping": [ {
        "map": "NTE",
        "identity": "v2"
      }, {
        "map": ".text",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "ServiceRequest.patientInstruction",
      "base": {
        "max": "1",
        "min": 0,
        "path": "ServiceRequest.patientInstruction"
      },
      "isSummary": true
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "ServiceRequest.relevantHistory",
      "min": 0,
      "definition": "Key events in the history of the request.",
      "isModifier": false,
      "short": "Request provenance",
      "mapping": [ {
        "map": "Request.relevantHistory",
        "identity": "workflow"
      }, {
        "map": "N/A",
        "identity": "v2"
      }, {
        "map": ".inboundRelationship(typeCode=SUBJ].source[classCode=CACT, moodCode=EVN]",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Provenance" ]
      } ],
      "max": "*",
      "id": "ServiceRequest.relevantHistory",
      "comment": "This might not include provenances for all versions of the request – only those deemed “relevant” or important.\rThis SHALL NOT include the Provenance associated with this current version of the resource.  (If that provenance is deemed to be a “relevant” change, it will need to be added as part of a later update.  Until then, it can be queried directly as the Provenance that points to this version using _revinclude\rAll Provenances should have some historical version of this Request as their subject.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "ServiceRequest.relevantHistory"
      },
      "isSummary": false
    } ]
  },
  "status": "active",
  "id": "84d9f23d-571e-4ba3-971f-94408a407c03",
  "kind": "resource",
  "url": "http://hl7.org/fhir/us/eltss/StructureDefinition/ServiceRequest-eltss",
  "version": "2.0.0-ballot",
  "differential": {
    "element": [ {
      "id": "ServiceRequest.extension",
      "path": "ServiceRequest.extension",
      "slicing": {
        "rules": "open",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      }
    }, {
      "id": "ServiceRequest.extension:directedBy",
      "max": "*",
      "min": 0,
      "path": "ServiceRequest.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/eltss-directedBy" ]
      } ],
      "sliceName": "directedBy",
      "sliceIsConstraining": false
    }, {
      "id": "ServiceRequest.extension:resource-pertainsToGoal",
      "max": "*",
      "min": 0,
      "path": "ServiceRequest.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/StructureDefinition/resource-pertainsToGoal" ]
      } ],
      "short": "The resource-pertainsToGoal relates the resource to the goal(s) that pertain to it. Whenever there is a goal associated with a health concern or problem, this extension should be present and populated in activity (event or intent) resources.",
      "sliceName": "resource-pertainsToGoal",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.basedOn",
      "path": "ServiceRequest.basedOn",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/CarePlan-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/ServiceRequest-eltss", "http://hl7.org/fhir/StructureDefinition/MedicationRequest" ]
      } ]
    }, {
      "id": "ServiceRequest.replaces",
      "path": "ServiceRequest.replaces",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/ServiceRequest-eltss" ]
      } ]
    }, {
      "id": "ServiceRequest.code",
      "path": "ServiceRequest.code",
      "short": "Service Name",
      "binding": {
        "strength": "preferred",
        "valueSet": "http://terminology.hl7.org/ValueSet/v3-HealthCareCommonProcedureCodingSystem",
        "description": "Use HCPCS (https://www.cms.gov/Medicare/Coding/MedHCPCSGenInfo/) code + modifiers or free text."
      },
      "comment": "Use HCPCS (https://www.cms.gov/Medicare/Coding/MedHCPCSGenInfo/) code + modifiers or free text.",
      "definition": "Identifies the paid and/or non-paid service provided to a person. Include the code and display name plus any modifiers when a coding system (e.g., Healthcare Common Procedure Coding System (HCPCS), Home Health Revenue Codes) is used.",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.code.coding",
      "path": "ServiceRequest.code.coding",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.code.coding.system",
      "path": "ServiceRequest.code.coding.system",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.code.coding.code",
      "path": "ServiceRequest.code.coding.code",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.code.text",
      "path": "ServiceRequest.code.text",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]",
      "path": "ServiceRequest.quantity[x]",
      "short": "Service Unit Quantity + Unit Type + Time Interval",
      "comment": "The numerical amount of the service unit being provided for a frequency.  This element is slated to be used in conjunction with Service Quantity Interval and Unit of Service Type elements to form a full description of how often a service is provided. \nOR \nA named quantity in terms of which services are measured or specified, used as a standard measurement of like services.\nOR \nA period of time corresponding to the quantity of service(s) indicated. Values include: per day, per week, per month, per year, one time only, other (free text).",
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      },
      "definition": "The numerical amount/unit or Interval of the service unit being provided.",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityQuantity",
      "max": "1",
      "min": 0,
      "path": "ServiceRequest.quantity[x]",
      "type": [ {
        "code": "Quantity"
      } ],
      "sliceName": "quantityQuantity",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityQuantity.value",
      "path": "ServiceRequest.quantity[x].value",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityQuantity.unit",
      "path": "ServiceRequest.quantity[x].unit",
      "short": "UCUM codes are very useful here. But, if the concept maps to the unity unit in UCUM, then it is likely appropriate to choose a specific concept from another system. Use quanitityRatio when appropriate (such as in sessions per week) instead of quantityQuantity.",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityQuantity.system",
      "path": "ServiceRequest.quantity[x].system",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityQuantity.code",
      "path": "ServiceRequest.quantity[x].code",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio",
      "max": "1",
      "min": 0,
      "path": "ServiceRequest.quantity[x]",
      "type": [ {
        "code": "Ratio"
      } ],
      "sliceName": "quantityRatio",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator",
      "path": "ServiceRequest.quantity[x].numerator",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.value",
      "path": "ServiceRequest.quantity[x].numerator.value",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.unit",
      "path": "ServiceRequest.quantity[x].numerator.unit",
      "short": "UCUM codes are very useful here, but also coded numerators could be used for something like: sessions per week. See the Implementation guidance section",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.system",
      "path": "ServiceRequest.quantity[x].numerator.system",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.numerator.code",
      "path": "ServiceRequest.quantity[x].numerator.code",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator",
      "path": "ServiceRequest.quantity[x].denominator",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.value",
      "path": "ServiceRequest.quantity[x].denominator.value",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.unit",
      "path": "ServiceRequest.quantity[x].denominator.unit",
      "short": "UCUM codes are very useful here",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.system",
      "path": "ServiceRequest.quantity[x].denominator.system",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.quantity[x]:quantityRatio.denominator.code",
      "path": "ServiceRequest.quantity[x].denominator.code",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.subject",
      "path": "ServiceRequest.subject",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Patient-eltss", "http://hl7.org/fhir/StructureDefinition/Group", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-implantable-device", "http://hl7.org/fhir/StructureDefinition/Device", "http://hl7.org/fhir/us/eltss/StructureDefinition/Location-eltss" ],
        "_targetProfile": [ {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, null, null, null, null ]
      } ],
      "mustSupport": true
    }, {
      "id": "ServiceRequest.encounter",
      "path": "ServiceRequest.encounter",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/core/StructureDefinition/us-core-encounter" ]
      } ]
    }, {
      "id": "ServiceRequest.occurrence[x]",
      "path": "ServiceRequest.occurrence[x]",
      "short": "Service Start + End Date",
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      },
      "definition": "The start and end date of the service being provided.",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.occurrence[x]:occurrencePeriod",
      "max": "1",
      "min": 0,
      "path": "ServiceRequest.occurrence[x]",
      "type": [ {
        "code": "Period"
      } ],
      "short": "Use this when the quantity is meant to be performed within a defined, simple start and end date. E.g. For May 31,2023 to June 10, 2023 give ServicePlan.quantity of 5 [USD]/day.",
      "sliceName": "occurrencePeriod",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming",
      "max": "1",
      "min": 0,
      "path": "ServiceRequest.occurrence[x]",
      "type": [ {
        "code": "Timing"
      } ],
      "short": "Please consider using this for timing information that fluctuates or is sufficiently complex. You will need to calculate end-date, or use occurrenceTiming.boundsPeriod to ascribe a start and end date. E.g. Give ServicePlan.quantity 5 with unit=[USD]/day with the occurrenceTiming.boundsPeriod of May 31, 2023 to June 23, 2023 on occurrenceTiming.dayOfWeek = Mon and Wed at occurrenceTiming.timeOfDay = 3 pm.",
      "sliceName": "occurrenceTiming",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat",
      "path": "ServiceRequest.occurrence[x].repeat",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]",
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x]",
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      },
      "mustSupport": true
    }, {
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]:boundsPeriod",
      "max": "1",
      "min": 0,
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x]",
      "type": [ {
        "code": "Period"
      } ],
      "sliceName": "boundsPeriod",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]:boundsPeriod.start",
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x].start",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.occurrence[x]:occurrenceTiming.repeat.bounds[x]:boundsPeriod.end",
      "path": "ServiceRequest.occurrence[x].repeat.bounds[x].end",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.authoredOn",
      "path": "ServiceRequest.authoredOn",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.requester",
      "path": "ServiceRequest.requester",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Practitioner-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/PractitionerRole-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/Patient-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-organization", "http://hl7.org/fhir/us/eltss/StructureDefinition/RelatedPerson-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-implantable-device", "http://hl7.org/fhir/StructureDefinition/Device" ],
        "_targetProfile": [ {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, null, null, null, null, null, null ]
      } ],
      "mustSupport": true
    }, {
      "id": "ServiceRequest.performer",
      "path": "ServiceRequest.performer",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Practitioner-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/PractitionerRole-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/Patient-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-organization", "http://hl7.org/fhir/us/eltss/StructureDefinition/RelatedPerson-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-implantable-device", "http://hl7.org/fhir/StructureDefinition/Device", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-careteam", "http://hl7.org/fhir/StructureDefinition/HealthcareService" ],
        "_targetProfile": [ {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, null, null, null, null ]
      } ],
      "short": "Service Provider Name + Phone + Relationship",
      "definition": "The entity or individual providing the service. For paid services use the organization/agency name, for non-paid services use the first and last name of the individual providing the service.",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.locationReference",
      "path": "ServiceRequest.locationReference",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Location-eltss" ]
      } ],
      "short": "Service Delivery Address",
      "definition": "The address where service delivery will take place if service will not be provided at the person's address.",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.reasonReference",
      "path": "ServiceRequest.reasonReference",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/us/eltss/StructureDefinition/Condition-eltss", "http://hl7.org/fhir/us/eltss/StructureDefinition/Observation-eltss", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-diagnosticreport-note", "http://hl7.org/fhir/us/core/StructureDefinition/us-core-documentreference" ]
      } ]
    }, {
      "id": "ServiceRequest.insurance",
      "path": "ServiceRequest.insurance",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Coverage", "http://hl7.org/fhir/StructureDefinition/ClaimResponse" ],
        "_targetProfile": [ {
          "extension": [ {
            "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
            "valueBoolean": true
          } ]
        }, null ]
      } ],
      "short": "Service Funding Source",
      "definition": "The source of payment for the service.",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.supportingInfo",
      "path": "ServiceRequest.supportingInfo",
      "mustSupport": true
    }, {
      "id": "ServiceRequest.note",
      "path": "ServiceRequest.note",
      "short": "Service Comment",
      "definition": "Additional information related to the service being provided. This field could capture additional information of the frequency of the service, how the person wants the service delivered and only used when the comment provides additional detail of the service not already handled by another element.",
      "mustSupport": true
    } ]
  },
  "contact": [ {
    "name": "HL7 International / Human and Social Services",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/hsswg",
      "system": "url"
    }, {
      "value": "hhswg@lists.HL7.org",
      "system": "email"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/ServiceRequest"
}