PackagesCanonicalsLogsProblems
    Packages
    hl7.fhir.uv.sdc@1.6
    http://hl7.org/fhir/us/sdc/StructureDefinition/sdc-codesystem
{
  "description": null,
  "_filename": "StructureDefinition-sdc-codesystem.json",
  "package_name": "hl7.fhir.uv.sdc",
  "date": "2014-07-06",
  "derivation": "constraint",
  "publisher": "Health Level Seven International (Orders and Observations - Structured Data Capture)",
  "name": "Profile sdc-codesystem",
  "mapping": [ {
    "uri": "http://wiki.siframework.org/IHE+SDC+Profile",
    "name": "IHE Structured Data Capture",
    "identity": "ihesdc"
  }, {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  }, {
    "uri": "http://hl7.org/fhir/object-implementation",
    "name": "Object Implementation Information",
    "identity": "objimpl"
  }, {
    "uri": "http://hl7.org/fhir/w5",
    "name": "W5 Mapping",
    "identity": "w5"
  }, {
    "uri": "http://www.cdisc.org/define-xml",
    "name": "CDISC Define XML 2.0 metadata standard",
    "identity": "define.xml2.0"
  } ],
  "abstract": false,
  "type": "CodeSystem",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": null,
  "package_version": "1.6",
  "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)",
        "severity": "error",
        "expression": "contained.contained.empty()"
      }, {
        "key": "dom-1",
        "human": "If the resource is contained in another resource, it SHALL NOT contain any narrative",
        "xpath": "not(parent::f:contained and f:text)",
        "severity": "error",
        "expression": "contained.text.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))",
        "severity": "error",
        "expression": "contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"
      }, {
        "key": "dom-3",
        "human": "If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource",
        "xpath": "not(exists(for $id in f:contained/*/@id return $id[not(ancestor::f:contained/parent::*/descendant::f:reference/@value=concat('#', $id))]))",
        "severity": "error",
        "expression": "contained.where(('#'+id in %resource.descendants().reference).not()).empty()"
      }, {
        "key": "csd-1",
        "human": "Within a code system definition, all the codes SHALL be unique",
        "xpath": "count(distinct-values(descendant::f:concept/f:code/@value))=count(descendant::f:concept)",
        "severity": "error",
        "expression": "(concept.code | descendants().concept.code).isDistinct()"
      } ],
      "path": "CodeSystem",
      "min": 0,
      "definition": "Sets expectations for SDC-conformant systems around value set support for representing permitted question answers.",
      "short": "A set of codes drawn from one or more code systems",
      "name": "SDCDECodeSystem",
      "mapping": [ {
        "map": "Entity. Role, or Act",
        "identity": "rim"
      }, {
        "map": "N/A",
        "identity": "rim"
      }, {
        "map": "BaseConformance",
        "identity": "objimpl"
      }, {
        "map": "conformance.terminology",
        "identity": "w5"
      }, {
        "map": "Form_Package//list_field",
        "identity": "ihesdc"
      } ],
      "mustSupport": false,
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.id",
      "min": 0,
      "definition": "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
      "short": "Logical id of this artifact",
      "comments": "The only time that a resource does not have an id is when it is being submitted to the server using a create operation.",
      "type": [ {
        "code": "id"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.id",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Resource.id"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.meta",
      "min": 0,
      "definition": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content may not always be associated with version changes to the resource.",
      "short": "Metadata about the resource",
      "type": [ {
        "code": "Meta"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.meta",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Resource.meta"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.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.",
      "isModifier": true,
      "short": "A set of rules under which this content was created",
      "comments": "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 as much as possible.",
      "type": [ {
        "code": "uri"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.implicitRules",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Resource.implicitRules"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.language",
      "min": 0,
      "definition": "The base language in which the resource is written.",
      "short": "Language of the resource content",
      "comments": "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).",
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "extensible",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
          "valueReference": {
            "reference": "http://hl7.org/fhir/ValueSet/all-languages"
          }
        } ],
        "description": "A human language.",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/languages"
        }
      },
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.language",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Resource.language"
      }
    }, {
      "path": "CodeSystem.text",
      "min": 0,
      "definition": "A human-readable narrative that contains a summary of the resource, and may 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.",
      "short": "Text summary of the resource, for human interpretation",
      "comments": "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 in formation is added later.",
      "mapping": [ {
        "map": "Act.text?",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Narrative"
      } ],
      "alias": [ "narrative", "html", "xhtml", "display" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.text",
      "condition": [ "dom-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "DomainResource.text"
      }
    }, {
      "path": "CodeSystem.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.",
      "short": "Contained, inline Resources",
      "comments": "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.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Resource"
      } ],
      "alias": [ "inline resources", "anonymous resources", "contained resources" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.contained",
      "base": {
        "max": "*",
        "min": 0,
        "path": "DomainResource.contained"
      }
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "severity": "error",
        "expression": "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')])",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "CodeSystem.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "name": "styleSensitive",
      "mapping": [ {
        "map": "N/A (new requirement)",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "Extension",
        "profile": "http://hl7.org/fhir/StructureDefinition/rendering-styleSensitive"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.extension:stylesensitive$rendering-styleSensitive",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "DomainResource.extension"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.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. Usually modifier elements provide negation or qualification. In order 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.",
      "isModifier": true,
      "short": "Extensions that cannot be ignored",
      "comments": "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.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.modifierExtension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "DomainResource.modifierExtension"
      }
    }, {
      "path": "CodeSystem.url",
      "min": 0,
      "definition": "An absolute URL that is used to identify this code system when it is referenced in a specification, model, design or an instance. This SHALL be a URL, SHOULD be globally unique, and SHOULD be an address at which this code system is (or will be) published. This is used in [Coding]{datatypes.html#Coding}.system.",
      "short": "Globally unique logical identifier for  code system (Coding.system)",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      }, {
        "map": "BaseConformance.url",
        "identity": "objimpl"
      }, {
        "map": "id",
        "identity": "w5"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.url",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.url"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.identifier",
      "min": 0,
      "definition": "Formal identifier that is used to identify this code system when it is represented in other formats, or referenced in a specification, model, design or an instance.",
      "short": "Additional identifier for the code system (e.g. HL7 v2 / CDA)",
      "comments": "Typically, this is used for values that can go in an HL7 v3 II data type.",
      "mapping": [ {
        "map": "Identifier part",
        "identity": "define.xml2.0"
      }, {
        "map": "id",
        "identity": "w5"
      } ],
      "type": [ {
        "code": "Identifier"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.identifier",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.identifier"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.version",
      "min": 0,
      "definition": "Used to identify this version of the code system when it is referenced in a specification, model, design or instance (e.g. Coding.version). This is an arbitrary value managed by the profile author manually and the value should be a timestamp. This is used in [Coding]{datatypes.html#Coding}.version.",
      "short": "Logical identifier for this version (Coding.version)",
      "comments": "There may be multiple resource versions of the code system that have the same identifier.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      }, {
        "map": "BaseConformance.version",
        "identity": "objimpl"
      }, {
        "map": "id.version",
        "identity": "w5"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.version",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.version"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.name",
      "requirements": "Support human navigation.",
      "min": 1,
      "definition": "A free text natural language name describing the code system.",
      "short": "Informal name for this code system",
      "comments": "The name is not expected to be unique. A name should be provided unless the code system is a contained resource (e.g. an anonymous code system in a profile). Most registries will require a name.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      }, {
        "map": "BaseConformance.name",
        "identity": "objimpl"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.name",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.name"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.status",
      "requirements": "Identify when/if the code system should be used.",
      "min": 1,
      "definition": "The status of the code system.",
      "isModifier": true,
      "short": "draft | active | retired",
      "comments": "Allows filtering of code system instances that are appropriate (or not) for use.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      }, {
        "map": "BaseConformance.status",
        "identity": "objimpl"
      }, {
        "map": "status",
        "identity": "w5"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "mustSupport": true,
      "binding": {
        "strength": "required",
        "description": "The lifecycle status of a Value Set or Concept Map.",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/conformance-resource-status"
        }
      },
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.status",
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.status"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.experimental",
      "min": 0,
      "definition": "This CodeSystem was authored for testing purposes (or education/evaluation/marketing), and is not intended to be used for genuine usage.",
      "short": "If for testing purposes, not real usage",
      "comments": "Allows filtering of code systems that are appropriate for use vs. not.",
      "mapping": [ {
        "map": "class",
        "identity": "w5"
      } ],
      "type": [ {
        "code": "boolean"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.experimental",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.experimental"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.publisher",
      "requirements": "Helps establish the \"authority/credibility\" of the code system.  May also allow for contact.",
      "min": 0,
      "definition": "The name of the individual or organization that published the code system.",
      "short": "Name of the publisher (organization or individual)",
      "comments": "Usually an organization, but may be an individual. This item SHOULD be populated unless the information is available from context.",
      "mapping": [ {
        "map": "who.witness",
        "identity": "w5"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.publisher",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.publisher"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.contact",
      "min": 0,
      "definition": "Contacts to assist a user in finding and communicating with the publisher.",
      "short": "Contact details of the publisher",
      "comments": "May be a web site, an email address, a telephone number, etc.",
      "type": [ {
        "code": "BackboneElement"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.contact",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem.contact"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.contact.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.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.contact.id",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "CodeSystem.contact.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order 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.",
      "short": "Additional Content defined by implementations",
      "comments": "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.",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.contact.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "path": "CodeSystem.contact.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 that contains it. Usually modifier elements provide negation or qualification. In order 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.",
      "isModifier": true,
      "short": "Extensions that cannot be ignored",
      "comments": "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.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content", "modifiers" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.contact.modifierExtension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "BackboneElement.modifierExtension"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.contact.name",
      "min": 0,
      "definition": "The name of an individual to contact regarding the code system.",
      "short": "Name of an individual to contact",
      "comments": "If there is no named individual, the telecom is for the organization as a whole.",
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.contact.name",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.contact.name"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.contact.telecom",
      "min": 0,
      "definition": "Contact details for individual (if a name was provided) or the publisher.",
      "short": "Contact details for individual or publisher",
      "type": [ {
        "code": "ContactPoint"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.contact.telecom",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem.contact.telecom"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.date",
      "requirements": "Need to know when a code system was first legal for use or became withdrawn or replaced.",
      "min": 0,
      "definition": "The date that the code system status was last changed. The date must change when the business version changes, if it does, and it must change if the status code changes. In addition, it should change when the substantive content of the implementation guide changes (e.g. the 'content logical definition').",
      "short": "Date for given status",
      "comments": "Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the code system. Additional specific dates may be added as extensions.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      }, {
        "map": "BaseConformance.date",
        "identity": "objimpl"
      }, {
        "map": "when.recorded",
        "identity": "w5"
      } ],
      "type": [ {
        "code": "dateTime"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.date",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.date"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.description",
      "requirements": "Human understandability.",
      "min": 1,
      "definition": "A free text natural language description of the use of the code system - reason for definition, \"the semantic space\" to be included in the code system, conditions of use, etc. The description may include a list of expected usages for the code system and can also describe the approach taken to build the code system.",
      "short": "Human language description of the code system",
      "comments": "The description is not intended to describe the semantics of the Code System - there are no intrinsic semantics separate from the codes contained in its expansion. The description should capture its intended use, which is needed for ensuring integrity for its use in models across future changes. A description should be provided unless the code system is a contained resource (e.g. an anonymous code system in a profile). Most registries will require a description.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "markdown"
      } ],
      "mustSupport": true,
      "alias": [ "Scope", "Purpose" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.description",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.description"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.useContext",
      "requirements": "Assist in searching for appropriate content.",
      "min": 0,
      "definition": "The content was developed with a focus and intent of supporting the contexts that are listed. These terms may be used to assist with indexing and searching of code system definitions.",
      "short": "Content intends to support these contexts",
      "mapping": [ {
        "map": "COMPONENT, PROPERTY, TIME_ASPCT, SYSTEM, SCALE_TYP, METHOD_TYP, CLASS, CLASSTYPE, ORDER_OBS, DOCUMENT_SECTION, HL7_ATTACHMENT_STRUCTURE",
        "identity": "define.xml2.0"
      }, {
        "map": "BaseConformance.useContext",
        "identity": "objimpl"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "mustSupport": true,
      "binding": {
        "strength": "extensible",
        "description": "Indicates the countries, regions, disciplines and other aspects of use within which this artifact is targeted for use.",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/use-context"
        }
      },
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.useContext",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem.useContext"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.requirements",
      "min": 0,
      "definition": "Explains why this code system is needed and why it has been constrained as it has.",
      "short": "Why needed",
      "comments": "This element does not describe the usage of the code system (that is done in comments), rather it's for traceability of ''why'' the element is either needed or ''why'' the constraints exist as they do.  This may be used to point to source materials or specifications that drove the structure of this data element.",
      "type": [ {
        "code": "markdown"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.requirements",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.requirements"
      }
    }, {
      "path": "CodeSystem.copyright",
      "min": 0,
      "definition": "A copyright statement relating to the code system and/or its contents. Copyright statements are generally legal restrictions on the use and publishing of the code system.",
      "short": "Use and/or publishing restrictions",
      "comments": "Frequently, the copyright differs between the code system and the codes that are included. The copyright statement should clearly differentiate between these when required.",
      "type": [ {
        "code": "string"
      } ],
      "alias": [ "License", "Restrictions" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.copyright",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.copyright"
      }
    }, {
      "path": "CodeSystem.caseSensitive",
      "min": 1,
      "definition": "If code comparison is case sensitive when codes within this system are compared to each other.",
      "short": "If code comparison is case sensitive",
      "comments": "If this value is missing, then it is not specified whether a code system is case sensitive or not. When the rule is not known, Postel's law should be followed: produce codes with the correct case, and accept codes in any case. This element is primarily provided to support validation software.",
      "type": [ {
        "code": "boolean"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.caseSensitive",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.caseSensitive"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.valueSet",
      "min": 0,
      "definition": "Canonical URL of value set that contains the entire code system.",
      "short": "Canonical URL for value set with entire code system",
      "type": [ {
        "code": "uri"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.valueSet",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.valueSet"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.hierarchyMeaning",
      "min": 0,
      "definition": "The meaning of the heirarchy of concepts.",
      "short": "grouped-by | subsumes | part-of | classified-with",
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "description": "The meaning of the hierarchy of concepts in a code system",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/codesystem-hierarchy-meaning"
        }
      },
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.hierarchyMeaning",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.hierarchyMeaning"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.compositional",
      "min": 0,
      "definition": "True If code system defines a post-composition grammar.",
      "short": "If code system defines a post-composition grammar",
      "comments": "Note that the code system resource does not define what the compositional grammar is, only whether or not there is one.",
      "type": [ {
        "code": "boolean"
      } ],
      "mustSupport": false,
      "alias": [ "grammar" ],
      "max": "0",
      "id": "CodeSystem:sdcdecodesystem.compositional",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.compositional"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.versionNeeded",
      "min": 0,
      "definition": "This flag is used to signify that the code system has not (or does not) maintain the definitions, and a version must be specified when referencing this code system.",
      "short": "If definitions are not stable",
      "comments": "Best practice is that code systems do not redefine concepts, or that if concepts are redefined, a new code system definition is created. But this is not always possible, so some code systems may be defined as 'versionNeeded'.",
      "type": [ {
        "code": "boolean"
      } ],
      "mustSupport": false,
      "max": "0",
      "id": "CodeSystem:sdcdecodesystem.versionNeeded",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.versionNeeded"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.content",
      "min": 1,
      "definition": "How much of the content of the code system - the concepts and codes it defines - are represented in this resource.",
      "short": "not-present | examplar | fragment | complete",
      "type": [ {
        "code": "code"
      } ],
      "mustSupport": true,
      "binding": {
        "strength": "required",
        "description": "How much of the content of the code system - the concepts and codes it defines - are represented in a code system resource",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/codesystem-content-mode"
        }
      },
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.content",
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.content"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.count",
      "min": 0,
      "definition": "The total number of concepts defined by the code system. Where the code system has a compositional grammar, the count refers to the number of base (primitive) concepts.",
      "short": "Total concepts in the code system",
      "comments": "The count of concepts defined in this resource cannot be more than this value, but may be less for several reasons - see the content value.",
      "type": [ {
        "code": "unsignedInt"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.count",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.count"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.filter",
      "min": 0,
      "definition": "A filter that can be used in a value set compose statement when selecting concepts using a filter.",
      "short": "Filter that can be used in a value set",
      "type": [ {
        "code": "BackboneElement"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.filter",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem.filter"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.filter.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.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.filter.id",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "CodeSystem.filter.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order 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.",
      "short": "Additional Content defined by implementations",
      "comments": "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.",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.filter.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "path": "CodeSystem.filter.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 that contains it. Usually modifier elements provide negation or qualification. In order 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.",
      "isModifier": true,
      "short": "Extensions that cannot be ignored",
      "comments": "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.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content", "modifiers" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.filter.modifierExtension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "BackboneElement.modifierExtension"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.filter.code",
      "min": 1,
      "definition": "The code that identifies this filter when it is used in the instance.",
      "short": "Code that identifies the filter",
      "type": [ {
        "code": "code"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.filter.code",
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.filter.code"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.filter.description",
      "min": 0,
      "definition": "A description of how or why the filter is used.",
      "short": "How or why the filter is used",
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.filter.description",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.filter.description"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.filter.operator",
      "min": 1,
      "definition": "A list of operators that can be used with the filter.",
      "short": "Operators that can be used with filter",
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "description": "The kind of operation to perform as a part of a property based filter.",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/filter-operator"
        }
      },
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.filter.operator",
      "base": {
        "max": "*",
        "min": 1,
        "path": "CodeSystem.filter.operator"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.filter.value",
      "min": 1,
      "definition": "A description of what the value for the filter should be.",
      "short": "What to use for the value",
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.filter.value",
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.filter.value"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.property",
      "min": 0,
      "definition": "A property defines an additional slot through which additional information can be provided about a concept.",
      "short": "Additional information supplied about each concept",
      "type": [ {
        "code": "BackboneElement"
      } ],
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
        "valueString": "Property"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.property",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem.property"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.property.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.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.property.id",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "CodeSystem.property.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order 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.",
      "short": "Additional Content defined by implementations",
      "comments": "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.",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.property.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "path": "CodeSystem.property.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 that contains it. Usually modifier elements provide negation or qualification. In order 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.",
      "isModifier": true,
      "short": "Extensions that cannot be ignored",
      "comments": "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.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content", "modifiers" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.property.modifierExtension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "BackboneElement.modifierExtension"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.property.code",
      "min": 1,
      "definition": "A code that is used to identify the property. The code is used internally (in CodeSystem.concept.property.code) and also externally, such as in property filters.",
      "short": "Identifies the property on the concepts, and when referred to in operations",
      "type": [ {
        "code": "code"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.property.code",
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.property.code"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.property.uri",
      "min": 0,
      "definition": "Reference to the formal meaning of the property. One possible source of meaning is the [Concept Properties](codesystem-concept-properties.html) code system.",
      "short": "Formal identifier for the property",
      "type": [ {
        "code": "uri"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.property.uri",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.property.uri"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.property.description",
      "min": 0,
      "definition": "A description of the property- why it is defined, and how it's value might be used.",
      "short": "Why the property is defined, and/or what it conveys",
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.property.description",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.property.description"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.property.type",
      "min": 1,
      "definition": "The type of the property value. Properties of type \"code\" contain a code defined by the code system (e.g. a reference to anotherr defined concept).",
      "short": "code | Coding | string | integer | boolean | dateTime",
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "description": "The type of a property value",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/concept-property-type"
        }
      },
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.property.type",
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.property.type"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.concept",
      "min": 0,
      "definition": "Concepts that are in the code system. The concept definitions are inherently hierarchical, but the definitions must be consulted to determine what the meaning of the hierarchical relationships are.",
      "short": "Concepts in the code system",
      "comments": "If this is empty, it means that the code system resource does not represent the content of the code system.",
      "mapping": [ {
        "map": "list_item",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "BackboneElement"
      } ],
      "mustSupport": true,
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
        "valueString": "ConceptDefinition"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem.concept"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.concept.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.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.id",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "CodeSystem.concept.extension",
      "min": 0,
      "definition": "An Extension",
      "short": "Extension",
      "slicing": {
        "id": "1",
        "rules": "open",
        "ordered": false,
        "discriminator": [ "url" ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "severity": "error",
        "expression": "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')])",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "CodeSystem.concept.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "name": "conceptLabel",
      "mapping": [ {
        "map": "item_number/label",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "Extension",
        "profile": "http://hl7.org/fhir/StructureDefinition/valueset-label"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.concept.extension.id",
      "min": 0,
      "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label.id",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "CodeSystem.concept.extension.extension",
      "min": 0,
      "definition": "An Extension",
      "short": "Extension",
      "name": "extension",
      "type": [ {
        "code": "Extension"
      } ],
      "max": "0",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label.extension:extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "path": "CodeSystem.concept.extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "short": "identifies the meaning of the extension",
      "fixedUri": "http://hl7.org/fhir/StructureDefinition/valueset-label",
      "comments": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label.url",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      }
    }, {
      "path": "CodeSystem.concept.extension.valueString",
      "min": 1,
      "definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
      "short": "Value of extension",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label.valueString",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.concept.extension.valueString.id",
      "min": 0,
      "definition": "unique id for the element within a resource (for internal references)",
      "short": "xml:id (or equivalent in JSON)",
      "type": [ {
        "code": "id"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label.valueString.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "string.id"
      }
    }, {
      "path": "CodeSystem.concept.extension.valueString.extension",
      "min": 0,
      "definition": "An Extension",
      "short": "Extension",
      "slicing": {
        "id": "2",
        "rules": "open",
        "ordered": false,
        "discriminator": [ "url" ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label.valueString.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "string.extension"
      }
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "severity": "error",
        "expression": "children().count() > id.count()"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "CodeSystem.concept.extension.valueString.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "name": "conceptLabel.renderingStyle",
      "mapping": [ {
        "map": "item_number/style",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "Extension",
        "profile": "http://hl7.org/fhir/StructureDefinition/rendering-style"
      } ],
      "mustSupport": false,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label.valueString.extension:conceptlabelrenderingstyle$rendering-style",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "string.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "severity": "error",
        "expression": "children().count() > id.count()"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "CodeSystem.concept.extension.valueString.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "name": "conceptLabel.xhtml",
      "mapping": [ {
        "map": "N/A",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "Extension",
        "profile": "http://hl7.org/fhir/StructureDefinition/rendering-xhtml"
      } ],
      "mustSupport": false,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label.valueString.extension:conceptlabelxhtml$rendering-xhtml",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "string.extension"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.concept.extension.valueString.value",
      "min": 0,
      "definition": "The actual value",
      "short": "Primitive value for string",
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptlabel$valueset-label.valueString.value",
      "maxLength": 1048576,
      "base": {
        "max": "1",
        "min": 0,
        "path": "string.value"
      }
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "severity": "error",
        "expression": "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')])",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "CodeSystem.concept.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "name": "conceptConceptOrder",
      "comments": "The presence of a sort order implies that sort order is important.",
      "mapping": [ {
        "map": "list_item_order",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "Extension",
        "profile": "http://hl7.org/fhir/StructureDefinition/valueset-conceptOrder"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.extension:conceptconceptorder$valueset-conceptOrder",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.concept.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 that contains it. Usually modifier elements provide negation or qualification. In order 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.",
      "isModifier": true,
      "short": "Extensions that cannot be ignored",
      "comments": "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.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content", "modifiers" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.modifierExtension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "BackboneElement.modifierExtension"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.concept.code",
      "min": 1,
      "definition": "A code - a text symbol - that uniquely identifies the concept within the code system.",
      "short": "Code that identifies concept",
      "mapping": [ {
        "map": "value",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.code",
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.concept.code"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.concept.display",
      "min": 0,
      "definition": "A human readable string that is the recommended default way to present this concept to a user.",
      "short": "Text to display to the user",
      "mapping": [ {
        "map": "item_prompt",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.display",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.concept.display"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.concept.display.id",
      "min": 0,
      "definition": "unique id for the element within a resource (for internal references)",
      "short": "xml:id (or equivalent in JSON)",
      "type": [ {
        "code": "id"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.display.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "string.id"
      }
    }, {
      "path": "CodeSystem.concept.display.extension",
      "min": 0,
      "definition": "An Extension",
      "short": "Extension",
      "slicing": {
        "id": "3",
        "rules": "open",
        "ordered": false,
        "discriminator": [ "url" ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.display.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "string.extension"
      }
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "severity": "error",
        "expression": "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')])",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "CodeSystem.concept.display.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "name": "conceptDisplayLabel.renderingStyle",
      "type": [ {
        "code": "Extension",
        "profile": "http://hl7.org/fhir/StructureDefinition/rendering-style"
      } ],
      "mustSupport": false,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.display.extension:conceptdisplaylabelrenderingstyle$rendering-style",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "string.extension"
      },
      "isSummary": false
    }, {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "severity": "error",
        "expression": "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')])",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "CodeSystem.concept.display.extension",
      "min": 0,
      "definition": "An Extension",
      "isModifier": false,
      "short": "Extension",
      "name": "conceptDisplayLabel.xhtml",
      "mapping": [ {
        "map": "item_prompt_html",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "Extension",
        "profile": "http://hl7.org/fhir/StructureDefinition/rendering-xhtml"
      } ],
      "mustSupport": false,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.display.extension:conceptdisplaylabelxhtml$rendering-xhtml",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "string.extension"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.concept.display.value",
      "min": 0,
      "definition": "The actual value",
      "short": "Primitive value for string",
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.display.value",
      "maxLength": 1048576,
      "base": {
        "max": "1",
        "min": 0,
        "path": "string.value"
      }
    }, {
      "path": "CodeSystem.concept.definition",
      "min": 0,
      "definition": "The formal definition of the concept. The code system resource does not make formal definitions required, because of the prevalence of legacy systems. However, they are highly recommended, as without them there is no formal meaning associated with the concept.",
      "short": "Formal definition",
      "mapping": [ {
        "map": "value_meaning/label",
        "identity": "ihesdc"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.definition",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.concept.definition"
      },
      "isSummary": false
    }, {
      "path": "CodeSystem.concept.designation",
      "requirements": "Many concept definition systems support multiple representations, in multiple languages, and for multiple purposes.",
      "min": 0,
      "definition": "Additional representations for the concept - other languages, aliases, specialized purposes, used for particular purposes, etc.",
      "short": "Additional representations for the concept",
      "type": [ {
        "code": "BackboneElement"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.designation",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem.concept.designation"
      }
    }, {
      "path": "CodeSystem.concept.designation.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.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.designation.id",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "CodeSystem.concept.designation.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order 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.",
      "short": "Additional Content defined by implementations",
      "comments": "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.",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.designation.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "path": "CodeSystem.concept.designation.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 that contains it. Usually modifier elements provide negation or qualification. In order 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.",
      "isModifier": true,
      "short": "Extensions that cannot be ignored",
      "comments": "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.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content", "modifiers" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.designation.modifierExtension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "BackboneElement.modifierExtension"
      },
      "isSummary": true
    }, {
      "path": "CodeSystem.concept.designation.language",
      "min": 0,
      "definition": "The language this designation is defined for.",
      "short": "Human language of the designation",
      "comments": "In the absence of a language, the resource language applies.",
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "extensible",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
          "valueReference": {
            "reference": "http://hl7.org/fhir/ValueSet/all-languages"
          }
        } ],
        "description": "A human language.",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/languages"
        }
      },
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.designation.language",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.concept.designation.language"
      }
    }, {
      "path": "CodeSystem.concept.designation.use",
      "min": 0,
      "definition": "A code that details how this designation would be used.",
      "short": "Details how this designation would be used",
      "comments": "If no use is provided, the designation can be assumed to be suitable for general display to a human user.",
      "type": [ {
        "code": "Coding"
      } ],
      "binding": {
        "strength": "extensible",
        "description": "Details of how a designation would be used.",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/designation-use"
        }
      },
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.designation.use",
      "base": {
        "max": "1",
        "min": 0,
        "path": "CodeSystem.concept.designation.use"
      }
    }, {
      "id": "CodeSystem:sdcdecodesystem.concept.designation.value",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.concept.designation.value"
      },
      "path": "CodeSystem.concept.designation.value",
      "type": [ {
        "code": "string"
      } ],
      "short": "The text value for this designation",
      "definition": "The text value for this designation."
    }, {
      "path": "CodeSystem.concept.property",
      "min": 0,
      "definition": "A property value for this concept.",
      "short": "Property value for the concept",
      "type": [ {
        "code": "BackboneElement"
      } ],
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name",
        "valueString": "ConceptProperty"
      } ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.property",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem.concept.property"
      }
    }, {
      "path": "CodeSystem.concept.property.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.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "CodeSystem:sdcdecodesystem.concept.property.id",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "CodeSystem.concept.property.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order 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.",
      "short": "Additional Content defined by implementations",
      "comments": "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.",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.property.extension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "path": "CodeSystem.concept.property.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 that contains it. Usually modifier elements provide negation or qualification. In order 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.",
      "isModifier": true,
      "short": "Extensions that cannot be ignored",
      "comments": "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.",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content", "modifiers" ],
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.property.modifierExtension",
      "base": {
        "max": "*",
        "min": 0,
        "path": "BackboneElement.modifierExtension"
      },
      "isSummary": true
    }, {
      "id": "CodeSystem:sdcdecodesystem.concept.property.code",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.concept.property.code"
      },
      "path": "CodeSystem.concept.property.code",
      "type": [ {
        "code": "code"
      } ],
      "short": "Reference to CodeSystem.property.code",
      "definition": "A code that is a reference to CodeSystem.property.code."
    }, {
      "id": "CodeSystem:sdcdecodesystem.concept.property.value[x]",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "CodeSystem.concept.property.value[x]"
      },
      "path": "CodeSystem.concept.property.value[x]",
      "type": [ {
        "code": "code"
      }, {
        "code": "Coding"
      }, {
        "code": "string"
      }, {
        "code": "integer"
      }, {
        "code": "boolean"
      }, {
        "code": "dateTime"
      } ],
      "short": "Value of the property for this concept",
      "definition": "The value of this property."
    }, {
      "path": "CodeSystem.concept.concept",
      "min": 0,
      "definition": "Defines children of a concept to produce a hierarchy of concepts. The nature of the relationships is variable (is-a/contains/categorizes) and can only be determined by examining the definitions of the concepts.",
      "short": "Child Concepts (is-a/contains/categorizes)",
      "contentReference": "#CodeSystem:sdcdecodesystem.concept",
      "mustSupport": true,
      "max": "*",
      "id": "CodeSystem:sdcdecodesystem.concept.concept",
      "base": {
        "max": "*",
        "min": 0,
        "path": "CodeSystem.concept.concept"
      },
      "isSummary": false
    } ]
  },
  "status": "draft",
  "id": "265842ae-93c9-4582-a891-7a53c498f60e",
  "kind": "resource",
  "url": "http://hl7.org/fhir/us/sdc/StructureDefinition/sdc-codesystem",
  "version": null,
  "differential": {
    "element": [ {
      "id": "CodeSystem:sdcdecodesystem",
      "name": "SDCDECodeSystem",
      "path": "CodeSystem",
      "mapping": [ {
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