PackagesCanonicalsLogsProblems
    Packages
    hl7.fhir.us.davinci-pdex@2.1.0-ballot
    http://hl7.org/fhir/us/davinci-pdex/StructureDefinition/pdex-member-match-group
{
  "description": "A Group List created by the Payer to enable Bulk Payer-to-Payer API access by Other Payers to retrieve member information. Based on the Group resource. An Extension is added to capture the submitted parameters for the access request.",
  "_filename": "StructureDefinition-pdex-member-match-group.json",
  "package_name": "hl7.fhir.us.davinci-pdex",
  "date": "2024-08-14T20:04:35+00:00",
  "derivation": "constraint",
  "publisher": "HL7 International / Financial Management",
  "fhirVersion": "4.0.1",
  "jurisdiction": [ {
    "coding": [ {
      "code": "US",
      "system": "urn:iso:std:iso:3166",
      "display": "United States of America"
    } ]
  } ],
  "name": "PDexMemberMatchGroup",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  }, {
    "uri": "http://hl7.org/fhir/fivews",
    "name": "FiveWs Pattern Mapping",
    "identity": "w5"
  } ],
  "abstract": false,
  "copyright": "Used by permission of HL7 International, all rights reserved Creative Commons License",
  "type": "Group",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "PDex Member Match Group",
  "package_version": "2.1.0-ballot",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "fm"
  }, {
    "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/davinci-pdex/ImplementationGuide/hl7.fhir.us.davinci-pdex"
      } ]
    }
  } ],
  "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": "grp-1",
        "human": "Can only have members if group is \"actual\"",
        "xpath": "f:actual/@value=true() or not(exists(f:member))",
        "source": "http://hl7.org/fhir/StructureDefinition/Group",
        "severity": "error",
        "expression": "member.empty() or (actual = true)"
      } ],
      "path": "Group",
      "min": 0,
      "definition": "Represents a defined collection of entities that may be discussed or acted upon collectively but which are not expected to act collectively, and are not formally or legally recognized; i.e. a collection of entities that isn't an Organization.",
      "isModifier": false,
      "short": "Group of multiple entities",
      "mapping": [ {
        "map": "Entity. Role, or Act",
        "identity": "rim"
      }, {
        "map": "Entity[determinerCode=\"GRP\" or determinerCode=\"GRP_KIND\"]",
        "identity": "rim"
      } ],
      "max": "*",
      "id": "Group",
      "comment": "If both Group.characteristic and Group.member are present, then the members are the individuals who were found who met the characteristic.  It's possible that there might be other candidate members who meet the characteristic and aren't (yet) in the list.  All members SHALL have the listed characteristics.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Group"
      },
      "isSummary": false
    }, {
      "path": "Group.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": "Group.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": "Group.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": "Group.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": "Group.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": "Group.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": "Group.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": "Group.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": "Group.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": "Group.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": "Group.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": "Group.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": "Group.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the resource. 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"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Group.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": "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": "Group.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": "Group.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": "Group.identifier",
      "requirements": "Allows the group to be referenced from external specifications.",
      "min": 0,
      "definition": "A unique business identifier for this group.",
      "isModifier": false,
      "short": "Unique id",
      "mapping": [ {
        "map": "FiveWs.identifier",
        "identity": "w5"
      }, {
        "map": "unique(./id[displayable=\"true\" and scope=\"OBJ\"])",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Identifier"
      } ],
      "max": "*",
      "id": "Group.identifier",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Group.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": "Group.active",
      "requirements": "Need to be able to mark a group record as not to be used because it was created in error or is otherwise no longer available (e.g. a herd that no longer exists).",
      "min": 0,
      "definition": "Indicates whether the record for the group is available for use or is merely being retained for historical purposes.",
      "isModifier": false,
      "short": "Whether this group's record is in active use",
      "mapping": [ {
        "map": "FiveWs.status",
        "identity": "w5"
      }, {
        "map": "./statusCode",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "boolean"
      } ],
      "meaningWhenMissing": "This resource is generally assumed to be active if no value is provided for the active element",
      "max": "1",
      "id": "Group.active",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Group.active"
      },
      "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": "Group.type",
      "requirements": "Identifies what type of resources the group is made up of.",
      "min": 1,
      "definition": "Identifies the broad classification of the kind of resources the group includes.",
      "isModifier": false,
      "short": "person | animal | practitioner | device | medication | substance",
      "mapping": [ {
        "map": "FiveWs.class",
        "identity": "w5"
      }, {
        "map": "person: ./classCode=\"PSN\"  animal: ./classCode=\"ANM\"  device: ./classCode=\"DEV\"  medication: ./classCode=\"MMAT\" and ./playedRole[isNormalRole() and classCode=\"THER\"]  food: ./classCode=\"FOOD\"",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "code"
      } ],
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/ValueSet/group-type|4.0.1",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "GroupType"
        } ],
        "description": "Types of resources that are part of group."
      },
      "max": "1",
      "id": "Group.type",
      "comment": "Group members SHALL be of the appropriate resource type (Patient for person or animal; or Practitioner, Device, Medication or Substance for the other types.).",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Group.type"
      },
      "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": "Group.actual",
      "requirements": "There are use-cases for groups that define specific collections of individuals, and other groups that define \"types\" of intended individuals.  The requirements for both kinds of groups are similar, so we use a single resource, distinguished by this flag.",
      "min": 1,
      "definition": "If true, indicates that the resource refers to a specific group of real individuals.  If false, the group defines a set of intended individuals.",
      "isModifier": false,
      "short": "Descriptive or actual",
      "mapping": [ {
        "map": "FiveWs.class",
        "identity": "w5"
      }, {
        "map": "true: ./determinerCode=\"GRP\"  false: ./determinerCode=\"GRP_KIND\"",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "boolean"
      } ],
      "max": "1",
      "id": "Group.actual",
      "condition": [ "grp-1" ],
      "base": {
        "max": "1",
        "min": 1,
        "path": "Group.actual"
      },
      "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": "Group.code",
      "min": 1,
      "definition": "Provides a specific type of resource the group includes; e.g. \"cow\", \"syringe\", etc.",
      "isModifier": false,
      "short": "Kind of Group members",
      "mapping": [ {
        "map": "FiveWs.what[x]",
        "identity": "w5"
      }, {
        "map": "./code",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "mustSupport": true,
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/us/davinci-pdex/ValueSet/PDexMultiMemberMatchResultVS"
      },
      "max": "1",
      "id": "Group.code",
      "comment": "This would generally be omitted for Person resources.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Group.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": "Group.name",
      "requirements": "Used to identify the group in human communication.",
      "min": 0,
      "definition": "A label assigned to the group for human identification and communication.",
      "isModifier": false,
      "short": "Label for Group",
      "mapping": [ {
        "map": "./name[type=\"ST\"]",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "Group.name",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Group.name"
      },
      "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": "Group.quantity",
      "requirements": "Group size is a common defining characteristic.",
      "min": 0,
      "definition": "A count of the number of resource instances that are part of the group.",
      "isModifier": false,
      "short": "Number of members",
      "mapping": [ {
        "map": "./quantity",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "unsignedInt"
      } ],
      "max": "1",
      "id": "Group.quantity",
      "comment": "Note that the quantity may be less than the number of members if some of the members are not active.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Group.quantity"
      },
      "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": "Group.managingEntity",
      "min": 0,
      "definition": "Entity responsible for defining and maintaining Group characteristics and/or registered members.",
      "isModifier": false,
      "short": "Entity that is the custodian of the Group's definition",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Organization", "http://hl7.org/fhir/StructureDefinition/RelatedPerson", "http://hl7.org/fhir/StructureDefinition/Practitioner", "http://hl7.org/fhir/StructureDefinition/PractitionerRole" ]
      } ],
      "max": "1",
      "id": "Group.managingEntity",
      "comment": "This does not strictly align with ownership of a herd or flock, but may suffice to represent that relationship in simple cases. More complex cases will require an extension.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Group.managingEntity"
      },
      "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": "Group.characteristic",
      "requirements": "Needs to be a generic mechanism for identifying what individuals can be part of a group.",
      "min": 0,
      "definition": "Identifies traits whose presence r absence is shared by members of the group.",
      "isModifier": false,
      "short": "Include / Exclude group members by Trait",
      "mapping": [ {
        "map": "./playedRole[isNormalRole()]/participation[isNormalParticipation() and typeCode=\"SBJ\"]/act[isNormalAct and classCode=\"OBS\" and moodCode=\"EVN\"]",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "BackboneElement"
      } ],
      "max": "*",
      "id": "Group.characteristic",
      "comment": "All the identified characteristics must be true for an entity to a member of the group.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Group.characteristic"
      },
      "isSummary": false
    }, {
      "path": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.code",
      "requirements": "Need a formal way of identifying the characteristic being described.",
      "min": 1,
      "definition": "A code that identifies the kind of trait being asserted.",
      "isModifier": false,
      "short": "Kind of characteristic",
      "mapping": [ {
        "map": "./code",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableConcept"
      } ],
      "mustSupport": true,
      "binding": {
        "strength": "example",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "GroupCharacteristicKind"
        } ],
        "description": "List of characteristics used to describe group members; e.g. gender, age, owner, location, etc."
      },
      "max": "1",
      "id": "Group.characteristic.code",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Group.characteristic.code"
      },
      "isSummary": false
    }, {
      "path": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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"
      } ],
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/us/davinci-pdex/ValueSet/PDexMultiMemberMatchResultVS"
      },
      "max": "*",
      "id": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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"
      } ],
      "max": "1",
      "id": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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"
      } ],
      "patternCode": "match",
      "max": "1",
      "id": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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": "Group.characteristic.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"
      } ],
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable",
        "valueBoolean": true
      } ],
      "max": "1",
      "id": "Group.characteristic.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": "Group.characteristic.value[x]",
      "requirements": "The value of the characteristic is what determines group membership.",
      "min": 1,
      "definition": "The value of the trait that holds (or does not hold - see 'exclude') for members of the group.",
      "isModifier": false,
      "short": "Value held by characteristic",
      "mapping": [ {
        "map": "./value",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      },
      "type": [ {
        "code": "CodeableConcept"
      }, {
        "code": "boolean"
      }, {
        "code": "Quantity"
      }, {
        "code": "Range"
      }, {
        "code": "Reference"
      } ],
      "binding": {
        "strength": "example",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "GroupCharacteristicValue"
        } ],
        "description": "Value of descriptive member characteristic; e.g. red, male, pneumonia, Caucasian, etc."
      },
      "max": "1",
      "id": "Group.characteristic.value[x]",
      "comment": "For Range, it means members of the group have a value that falls somewhere within the specified range.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Group.characteristic.value[x]"
      },
      "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": "Group.characteristic.value[x]",
      "requirements": "The value of the characteristic is what determines group membership.",
      "min": 0,
      "definition": "The value of the trait that holds (or does not hold - see 'exclude') for members of the group.",
      "isModifier": false,
      "short": "Value held by characteristic",
      "mapping": [ {
        "map": "./value",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Reference"
      } ],
      "mustSupport": true,
      "sliceName": "valueReference",
      "max": "1",
      "id": "Group.characteristic.value[x]:valueReference",
      "comment": "Organization Identifier Reference of the Payer requesting the member match",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Group.characteristic.value[x]"
      },
      "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": "Group.characteristic.exclude",
      "requirements": "Sometimes group membership is determined by characteristics not possessed.",
      "min": 1,
      "definition": "If true, indicates the characteristic is one that is NOT held by members of the group.",
      "isModifier": false,
      "short": "Group includes or excludes",
      "mapping": [ {
        "map": "./valueNegationInd",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "boolean"
      } ],
      "patternBoolean": false,
      "max": "1",
      "id": "Group.characteristic.exclude",
      "comment": "Exclude is set to False",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Group.characteristic.exclude"
      },
      "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": "Group.characteristic.period",
      "min": 0,
      "definition": "The period over which the characteristic is tested; e.g. the patient had an operation during the month of June.",
      "isModifier": false,
      "short": "Period over which characteristic is tested",
      "type": [ {
        "code": "Period"
      } ],
      "mustSupport": true,
      "max": "1",
      "id": "Group.characteristic.period",
      "comment": "Enter date match performed (i.e. current date) as Period.start",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Group.characteristic.period"
      },
      "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": "Group.member",
      "requirements": "Often the only thing of interest about a group is \"who's in it\".",
      "min": 0,
      "definition": "Identifies the resource instances that are members of the group.",
      "isModifier": false,
      "short": "Who or what is in group",
      "mapping": [ {
        "map": "./scopedRole[isNormalRole() and classCode=\"MBR\"]/player",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "BackboneElement"
      } ],
      "max": "*",
      "id": "Group.member",
      "condition": [ "grp-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "Group.member"
      },
      "isSummary": false
    }, {
      "path": "Group.member.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": "Group.member.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": "Group.member.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"
      } ],
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Group.member.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": "Group.member.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": "Group.member.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": "Group.member.entity",
      "min": 1,
      "definition": "A reference to the entity that is a member of the group. Must be consistent with Group.type. If the entity is another group, then the type must be the same.",
      "isModifier": false,
      "short": "Reference to the group member",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/Patient", "http://hl7.org/fhir/StructureDefinition/Practitioner", "http://hl7.org/fhir/StructureDefinition/PractitionerRole", "http://hl7.org/fhir/StructureDefinition/Device", "http://hl7.org/fhir/StructureDefinition/Medication", "http://hl7.org/fhir/StructureDefinition/Substance", "http://hl7.org/fhir/StructureDefinition/Group" ]
      } ],
      "max": "1",
      "id": "Group.member.entity",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Group.member.entity"
      },
      "isSummary": false
    }, {
      "path": "Group.member.entity.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": "Group.member.entity.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": "Group.member.entity.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": "Group.member.entity.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": "Group.member.entity.extension",
      "min": 0,
      "definition": "Input Patient Parameter supplied for the individual member match (Patient Demographics).",
      "isModifier": false,
      "short": "Member-Match Input Patient Parameter",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/us/davinci-pdex/StructureDefinition/base-ext-match-parameters" ]
      } ],
      "mustSupport": true,
      "sliceName": "matchedMember",
      "max": "1",
      "id": "Group.member.entity.extension:matchedMember",
      "comment": "Add the patient record from the successful MemberMatch for an individual member in the Member-Match Request MemberBundle (Patient Demographics).",
      "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": "Group.member.entity.reference",
      "min": 0,
      "definition": "A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources.",
      "isModifier": false,
      "short": "Literal reference, Relative, internal or absolute URL",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "max": "1",
      "id": "Group.member.entity.reference",
      "condition": [ "ref-1" ],
      "comment": "Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the URL conforms to the structure \"/[type]/[id]\" then it should be assumed that the reference is to a FHIR RESTful server.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Reference.reference"
      },
      "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": "Group.member.entity.type",
      "min": 0,
      "definition": "The expected type of the target of the reference. If both Reference.type and Reference.reference are populated and Reference.reference is a FHIR URL, both SHALL be consistent.\n\nThe type is the Canonical URL of Resource Definition that is the type this reference refers to. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition/ e.g. \"Patient\" is a reference to http://hl7.org/fhir/StructureDefinition/Patient. Absolute URLs are only allowed for logical models (and can only be used in references in logical models, not resources).",
      "isModifier": false,
      "short": "Type the reference refers to (e.g. \"Patient\")",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "binding": {
        "strength": "extensible",
        "valueSet": "http://hl7.org/fhir/ValueSet/resource-types",
        "extension": [ {
          "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString": "FHIRResourceTypeExt"
        } ],
        "description": "Aa resource (or, for logical models, the URI of the logical model)."
      },
      "max": "1",
      "id": "Group.member.entity.type",
      "comment": "This element is used to indicate the type of  the target of the reference. This may be used which ever of the other elements are populated (or not). In some cases, the type of the target may be determined by inspection of the reference (e.g. a RESTful URL) or by resolving the target of the reference; if both the type and a reference is provided, the reference SHALL resolve to a resource of the same type as that specified.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Reference.type"
      },
      "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": "Group.member.entity.identifier",
      "min": 0,
      "definition": "An identifier for the target resource. This is used when there is no way to reference the other resource directly, either because the entity it represents is not available through a FHIR server, or because there is no way for the author of the resource to convert a known identifier to an actual location. There is no requirement that a Reference.identifier point to something that is actually exposed as a FHIR instance, but it SHALL point to a business concept that would be expected to be exposed as a FHIR instance, and that instance would need to be of a FHIR resource type allowed by the reference.",
      "isModifier": false,
      "short": "Logical reference, when literal reference is not known",
      "mapping": [ {
        "map": ".identifier",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Identifier"
      } ],
      "max": "1",
      "id": "Group.member.entity.identifier",
      "comment": "When an identifier is provided in place of a reference, any system processing the reference will only be able to resolve the identifier to a reference if it understands the business context in which the identifier is used. Sometimes this is global (e.g. a national identifier) but often it is not. For this reason, none of the useful mechanisms described for working with references (e.g. chaining, includes) are possible, nor should servers be expected to be able resolve the reference. Servers may accept an identifier based reference untouched, resolve it, and/or reject it - see CapabilityStatement.rest.resource.referencePolicy. \n\nWhen both an identifier and a literal reference are provided, the literal reference is preferred. Applications processing the resource are allowed - but not required - to check that the identifier matches the literal reference\n\nApplications converting a logical reference to a literal reference may choose to leave the logical reference present, or remove it.\n\nReference is intended to point to a structure that can potentially be expressed as a FHIR resource, though there is no need for it to exist as an actual FHIR resource instance - except in as much as an application wishes to actual find the target of the reference. The content referred to be the identifier must meet the logical constraints implied by any limitations on what resource types are permitted for the reference.  For example, it would not be legitimate to send the identifier for a drug prescription if the type were Reference(Observation|DiagnosticReport).  One of the use-cases for Reference.identifier is the situation where no FHIR representation exists (where the type is Reference (Any).",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Reference.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": "Group.member.entity.display",
      "min": 0,
      "definition": "Plain text narrative that identifies the resource in addition to the resource reference.",
      "isModifier": false,
      "short": "Text alternative for the resource",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable",
        "valueBoolean": true
      } ],
      "max": "1",
      "id": "Group.member.entity.display",
      "comment": "This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Reference.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": "Group.member.period",
      "requirements": "Need to track who was in a group at a  particular time.",
      "min": 0,
      "definition": "The period that the member was in the group, if known.",
      "isModifier": false,
      "short": "Period member belonged to the group",
      "type": [ {
        "code": "Period"
      } ],
      "meaningWhenMissing": "The member is in the group at this time",
      "max": "1",
      "id": "Group.member.period",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Group.member.period"
      },
      "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": "Group.member.inactive",
      "requirements": "Sometimes you don't know when someone stopped being in a group, but not when.",
      "min": 0,
      "definition": "A flag to indicate that the member is no longer in the group, but previously may have been a member.",
      "isModifier": false,
      "short": "If member is no longer in group",
      "type": [ {
        "code": "boolean"
      } ],
      "meaningWhenMissing": "Members are considered active unless explicitly specified otherwise",
      "max": "1",
      "id": "Group.member.inactive",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Group.member.inactive"
      },
      "isSummary": false
    } ]
  },
  "status": "active",
  "id": "2a040c7c-ad76-449f-b39e-da2d9e71e6da",
  "kind": "resource",
  "url": "http://hl7.org/fhir/us/davinci-pdex/StructureDefinition/pdex-member-match-group",
  "version": "2.1.0-ballot",
  "differential": {
    "element": [ {
      "id": "Group",
      "path": "Group"
    }, {
      "id": "Group.code",
      "min": 1,
      "path": "Group.code",
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/us/davinci-pdex/ValueSet/PDexMultiMemberMatchResultVS"
      },
      "mustSupport": true
    }, {
      "id": "Group.characteristic.code",
      "path": "Group.characteristic.code",
      "mustSupport": true
    }, {
      "id": "Group.characteristic.code.coding",
      "path": "Group.characteristic.code.coding",
      "binding": {
        "strength": "required",
        "valueSet": "http://hl7.org/fhir/us/davinci-pdex/ValueSet/PDexMultiMemberMatchResultVS"
      }
    }, {
      "id": "Group.characteristic.code.coding.code",
      "path": "Group.characteristic.code.coding.code",
      "patternCode": "match"
    }, {
      "id": "Group.characteristic.value[x]",
      "path": "Group.characteristic.value[x]",
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      }
    }, {
      "id": "Group.characteristic.value[x]:valueReference",
      "max": "1",
      "min": 0,
      "path": "Group.characteristic.value[x]",
      "type": [ {
        "code": "Reference"
      } ],
      "comment": "Organization Identifier Reference of the Payer requesting the member match",
      "sliceName": "valueReference",
      "mustSupport": true
    }, {
      "id": "Group.characteristic.exclude",
      "path": "Group.characteristic.exclude",
      "comment": "Exclude is set to False",
      "patternBoolean": false
    }, {
      "id": "Group.characteristic.period",
      "path": "Group.characteristic.period",
      "comment": "Enter date match performed (i.e. current date) as Period.start",
      "mustSupport": true
    }, {
      "id": "Group.member.entity.extension:matchedMember",
      "max": "1",
      "min": 0,
      "path": "Group.member.entity.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/us/davinci-pdex/StructureDefinition/base-ext-match-parameters" ]
      } ],
      "comment": "Add the patient record from the successful MemberMatch for an individual member in the Member-Match Request MemberBundle (Patient Demographics).",
      "sliceName": "matchedMember",
      "mustSupport": true
    } ]
  },
  "contact": [ {
    "name": "HL7 International / Financial Management",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/fm",
      "system": "url"
    }, {
      "value": "fm@lists.HL7.org",
      "system": "email"
    } ]
  }, {
    "name": "Mark Scrimshire (mark.scrimshire@onyxhealth.io)",
    "telecom": [ {
      "value": "mailto:mark.scrimshire@onyxhealth.io",
      "system": "email"
    } ]
  }, {
    "name": "HL7 International - Financial Management",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/fm",
      "system": "url"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Group"
}