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{
  "resourceType": "ConceptMap",
  "id": "R3-QuestionnaireResponse-element-map-to-R5",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0,
      "_valueInteger": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r3.r5"
          }
        ]
      }
    },
    {
      "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/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r3.r5"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/uv/xver/ConceptMap/R3-QuestionnaireResponse-element-map-to-R5",
  "version": "0.1.0",
  "name": "R3QuestionnaireResponseElementMapToR5",
  "title": "Cross-version mapping for FHIR STU3 QuestionnaireResponse to FHIR R5 QuestionnaireResponse",
  "status": "active",
  "experimental": false,
  "date": "2026-03-17T16:05:00.4217036-05:00",
  "contact": [
    {
      "name": "FHIR Infrastructure",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "description": "This ConceptMap represents cross-version mappings for elements from a FHIR STU3 QuestionnaireResponse to FHIR R5.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "sourceScopeCanonical": "http://hl7.org/fhir/3.0",
  "targetScopeUri": "http://hl7.org/fhir/5.0",
  "group": [
    {
      "source": "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|3.0.2",
      "target": "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|5.0.0",
      "element": [
        {
          "code": "QuestionnaireResponse.meta",
          "display": "meta",
          "target": [
            {
              "code": "QuestionnaireResponse.meta",
              "display": "QuestionnaireResponse.meta",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.meta` is mapped to FHIR R5 element `QuestionnaireResponse.meta` as `SourceIsBroaderThanTarget`.\nThe mappings for `QuestionnaireResponse.meta` do not cover the following types: Meta.\nThe mappings for `QuestionnaireResponse.meta` do not cover the following types based on type expansion: lastUpdated, profile, security, tag, versionId."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.implicitRules",
          "display": "implicitRules",
          "target": [
            {
              "code": "QuestionnaireResponse.implicitRules",
              "display": "QuestionnaireResponse.implicitRules",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.implicitRules` is mapped to FHIR R5 element `QuestionnaireResponse.implicitRules` as `Equivalent`.\nAsserting 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. \n\nThis element is labelled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.language",
          "display": "language",
          "target": [
            {
              "code": "QuestionnaireResponse.language",
              "display": "QuestionnaireResponse.language",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.language` is mapped to FHIR R5 element `QuestionnaireResponse.language` as `Equivalent`.\nLanguage 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)."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.text",
          "display": "text",
          "target": [
            {
              "code": "QuestionnaireResponse.text",
              "display": "QuestionnaireResponse.text",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.text` is mapped to FHIR R5 element `QuestionnaireResponse.text` as `SourceIsBroaderThanTarget`.\nThe mappings for `QuestionnaireResponse.text` do not cover the following types: Narrative.\nThe mappings for `QuestionnaireResponse.text` do not cover the following types based on type expansion: div, status.\nContained 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."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.contained",
          "display": "contained",
          "target": [
            {
              "code": "QuestionnaireResponse.contained",
              "display": "QuestionnaireResponse.contained",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.contained` is mapped to FHIR R5 element `QuestionnaireResponse.contained` as `SourceIsBroaderThanTarget`.\nThis 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."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.identifier",
          "display": "identifier",
          "target": [
            {
              "code": "QuestionnaireResponse.identifier",
              "display": "QuestionnaireResponse.identifier",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.identifier` is mapped to FHIR R5 element `QuestionnaireResponse.identifier` as `RelatedTo`.\nThe mappings for `QuestionnaireResponse.identifier` do not cover the following types: Identifier.\nThe mappings for `QuestionnaireResponse.identifier` do not cover the following types based on type expansion: assigner, period, system, type, use, value."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.basedOn",
          "display": "basedOn",
          "target": [
            {
              "code": "QuestionnaireResponse.basedOn",
              "display": "QuestionnaireResponse.basedOn",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.basedOn` is mapped to FHIR R5 element `QuestionnaireResponse.basedOn` as `RelatedTo`.\nThe standard extension `alternate-reference` has been mapped as the representation of FHIR STU3 element `QuestionnaireResponse.basedOn` with unmapped reference targets: CarePlan, ProcedureRequest, ReferralRequest."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.parent",
          "display": "parent",
          "target": [
            {
              "code": "QuestionnaireResponse.partOf",
              "display": "QuestionnaireResponse.partOf",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.parent` is mapped to FHIR R5 element `QuestionnaireResponse.partOf` as `SourceIsBroaderThanTarget`.\nThe mappings for `QuestionnaireResponse.parent` do not cover the following types based on type expansion: display, identifier, reference.\nThe standard extension `alternate-reference` has been mapped as the representation of FHIR STU3 element `QuestionnaireResponse.parent` with unmapped reference targets: Observation, Procedure.\nComposition of questionnaire responses will be handled by the parent questionnaire having answers that reference the child questionnaire.  For relationships to referrals, and other types of requests, use basedOn."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.questionnaire",
          "display": "questionnaire",
          "target": [
            {
              "code": "QuestionnaireResponse.questionnaire",
              "display": "QuestionnaireResponse.questionnaire",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.questionnaire` is mapped to FHIR R5 element `QuestionnaireResponse.questionnaire` as `SourceIsBroaderThanTarget`.\nThe mappings for `QuestionnaireResponse.questionnaire` do not cover the following types: Reference.\nThe mappings for `QuestionnaireResponse.questionnaire` do not cover the following types based on type expansion: display, identifier, reference.\nIf a QuestionnaireResponse references a Questionnaire, then the QuestionnaireResponse structure must be consistent with the Questionnaire (i.e. questions must be organized into the same groups, nested questions must still be nested, etc.)."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.status",
          "display": "status",
          "target": [
            {
              "code": "QuestionnaireResponse.status",
              "display": "QuestionnaireResponse.status",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.status` is mapped to FHIR R5 element `QuestionnaireResponse.status` as `Equivalent`.\nThis element is labeled as a modifier because the status contains codes that mark the resource as not currently valid."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.subject",
          "display": "subject",
          "target": [
            {
              "code": "QuestionnaireResponse.subject",
              "display": "QuestionnaireResponse.subject",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.subject` is mapped to FHIR R5 element `QuestionnaireResponse.subject` as `SourceIsBroaderThanTarget`.\nThe mappings for `QuestionnaireResponse.subject` do not cover the following types based on type expansion: display, identifier, reference.\nThe standard extension `alternate-reference` has been mapped as the representation of FHIR STU3 element `QuestionnaireResponse.subject` with unmapped reference targets: Resource.\nIf the Questionnaire declared a subjectType, the resource pointed to by this element must be an instance of one of the listed types."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.context",
          "display": "context",
          "target": [
            {
              "code": "QuestionnaireResponse.encounter",
              "display": "QuestionnaireResponse.encounter",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.context` is mapped to FHIR R5 element `QuestionnaireResponse.encounter` as `SourceIsBroaderThanTarget`.\nThe mappings for `QuestionnaireResponse.context` do not cover the following types based on type expansion: display, identifier, reference.\nThe standard extension `alternate-reference` has been mapped as the representation of FHIR STU3 element `QuestionnaireResponse.context` with unmapped reference targets: Encounter, EpisodeOfCare.\nA questionnaire that was initiated during an encounter but not fully completed during the encounter would still generally be associated with the encounter."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.authored",
          "display": "authored",
          "target": [
            {
              "code": "QuestionnaireResponse.authored",
              "display": "QuestionnaireResponse.authored",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.authored` is mapped to FHIR R5 element `QuestionnaireResponse.authored` as `Equivalent`.\nMay be different from the lastUpdateTime of the resource itself, because that reflects when the data was known to the server, not when the data was captured.\n\nThis element is optional to allow for systems that may not know the value, however it SHOULD be populated if possible."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.author",
          "display": "author",
          "target": [
            {
              "code": "QuestionnaireResponse.author",
              "display": "QuestionnaireResponse.author",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.author` is mapped to FHIR R5 element `QuestionnaireResponse.author` as `SourceIsBroaderThanTarget`.\nThe standard extension `alternate-reference` has been mapped as the representation of FHIR STU3 element `QuestionnaireResponse.author` with unmapped reference targets: Device, Patient, Practitioner, RelatedPerson.\nMapping a subject's answers to multiple choice options and determining what to put in the textual answer is a matter of interpretation.  Authoring by device would indicate that some portion of the questionnaire had been auto-populated."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.source",
          "display": "source",
          "target": [
            {
              "code": "QuestionnaireResponse.source",
              "display": "QuestionnaireResponse.source",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.source` is mapped to FHIR R5 element `QuestionnaireResponse.source` as `SourceIsBroaderThanTarget`.\nThe standard extension `alternate-reference` has been mapped as the representation of FHIR STU3 element `QuestionnaireResponse.source` with unmapped reference targets: Patient, Practitioner, RelatedPerson.\nIf not specified, no inference can be made about who provided the data."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.item",
          "display": "item",
          "target": [
            {
              "code": "QuestionnaireResponse.item",
              "display": "QuestionnaireResponse.item",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.item` is mapped to FHIR R5 element `QuestionnaireResponse.item` as `Equivalent`.\nGroups cannot have answers and therefore must nest directly within item. When dealing with questions, nesting must occur within each answer because some questions may have multiple answers (and the nesting occurs for each answer)."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.item.linkId",
          "display": "linkId",
          "target": [
            {
              "code": "QuestionnaireResponse.item.linkId",
              "display": "QuestionnaireResponse.item.linkId",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.item.linkId` is mapped to FHIR R5 element `QuestionnaireResponse.item.linkId` as `Equivalent`."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.item.definition",
          "display": "definition",
          "target": [
            {
              "code": "QuestionnaireResponse.item.definition",
              "display": "QuestionnaireResponse.item.definition",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.item.definition` is mapped to FHIR R5 element `QuestionnaireResponse.item.definition` as `Equivalent`.\nThe ElementDefinition must be in a [StructureDefinition](https://hl7.org/fhir/structuredefinition.html) or a [DataElement](https://hl7.org/fhir/dataelement.html), and must have a fragment identifier that identifies the specific data element by its id (Element.id). E.g. http://hl7.org/fhir/StructureDefinition/Observation#Observation.value[x].\n\nThere is no need for this element if the item pointed to by the linkId has a definition listed."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.item.text",
          "display": "text",
          "target": [
            {
              "code": "QuestionnaireResponse.item.text",
              "display": "QuestionnaireResponse.item.text",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.item.text` is mapped to FHIR R5 element `QuestionnaireResponse.item.text` as `Equivalent`."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.item.answer",
          "display": "answer",
          "target": [
            {
              "code": "QuestionnaireResponse.item.answer",
              "display": "QuestionnaireResponse.item.answer",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.item.answer` is mapped to FHIR R5 element `QuestionnaireResponse.item.answer` as `Equivalent`.\nThe value is nested because we cannot have a repeating structure that has variable type."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.item.answer.value[x]",
          "display": "value[x]",
          "target": [
            {
              "code": "QuestionnaireResponse.item.answer.value[x]",
              "display": "QuestionnaireResponse.item.answer.value[x]",
              "relationship": "source-is-broader-than-target",
              "comment": "Element `QuestionnaireResponse.item.answer.value[x]` is mapped to FHIR R5 element `QuestionnaireResponse.item.answer.value[x]` as `RelatedTo`.\nThe mappings for `QuestionnaireResponse.item.answer.value[x]` do not cover the following types: Attachment.\nThe target context `QuestionnaireResponse.item.answer.value[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `QuestionnaireResponse.item.answer`.\nThe standard extension `alternate-reference` has been mapped as PART of the representation of FHIR STU3 element `QuestionnaireResponse.item.answer.value[x]` with unmapped reference targets: Resource.\nSource element `QuestionnaireResponse.item.answer.value[x]` has unmapped reference types. While the target element `QuestionnaireResponse.item.answer.value[x]` is a choice type and does not allow extensions, the `alternate-reference` extension can be applied to Reference values within it.\nMore complex structures (Attachment, Resource and Quantity) will typically be limited to electronic forms that can expose an appropriate user interface to capture the components and enforce the constraints of a complex data type.  Additional complex types can be introduced through extensions."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.item.answer.item",
          "display": "item",
          "target": [
            {
              "code": "QuestionnaireResponse.item.answer.item",
              "display": "QuestionnaireResponse.item.answer.item",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.item.answer.item` is mapped to FHIR R5 element `QuestionnaireResponse.item.answer.item` as `Equivalent`."
            }
          ]
        },
        {
          "code": "QuestionnaireResponse.item.item",
          "display": "item",
          "target": [
            {
              "code": "QuestionnaireResponse.item.item",
              "display": "QuestionnaireResponse.item.item",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.item.item` is mapped to FHIR R5 element `QuestionnaireResponse.item.item` as `Equivalent`."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|3.0.2",
      "target": "http://hl7.org/fhir/3.0/StructureDefinition/extension-QuestionnaireResponse.meta|0.1.0",
      "element": [
        {
          "code": "QuestionnaireResponse.meta",
          "display": "meta",
          "target": [
            {
              "code": "Extension",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.meta` is mapped to FHIR R5 element `QuestionnaireResponse.meta` as `SourceIsBroaderThanTarget`.\nThe mappings for `QuestionnaireResponse.meta` do not cover the following types: Meta.\nThe mappings for `QuestionnaireResponse.meta` do not cover the following types based on type expansion: lastUpdated, profile, security, tag, versionId."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|3.0.2",
      "target": "http://hl7.org/fhir/3.0/StructureDefinition/extension-QuestionnaireResponse.text|0.1.0",
      "element": [
        {
          "code": "QuestionnaireResponse.text",
          "display": "text",
          "target": [
            {
              "code": "Extension",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.text` is mapped to FHIR R5 element `QuestionnaireResponse.text` as `SourceIsBroaderThanTarget`.\nThe mappings for `QuestionnaireResponse.text` do not cover the following types: Narrative.\nThe mappings for `QuestionnaireResponse.text` do not cover the following types based on type expansion: div, status.\nContained 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."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|3.0.2",
      "target": "http://hl7.org/fhir/3.0/StructureDefinition/extension-QuestionnaireResponse.identifier|0.1.0",
      "element": [
        {
          "code": "QuestionnaireResponse.identifier",
          "display": "identifier",
          "target": [
            {
              "code": "Extension",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.identifier` is mapped to FHIR R5 element `QuestionnaireResponse.identifier` as `RelatedTo`.\nThe mappings for `QuestionnaireResponse.identifier` do not cover the following types: Identifier.\nThe mappings for `QuestionnaireResponse.identifier` do not cover the following types based on type expansion: assigner, period, system, type, use, value."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|3.0.2",
      "target": "http://hl7.org/fhir/3.0/StructureDefinition/extension-QuestionnaireResponse.questionnaire|0.1.0",
      "element": [
        {
          "code": "QuestionnaireResponse.questionnaire",
          "display": "questionnaire",
          "target": [
            {
              "code": "Extension",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.questionnaire` is mapped to FHIR R5 element `QuestionnaireResponse.questionnaire` as `SourceIsBroaderThanTarget`.\nThe mappings for `QuestionnaireResponse.questionnaire` do not cover the following types: Reference.\nThe mappings for `QuestionnaireResponse.questionnaire` do not cover the following types based on type expansion: display, identifier, reference.\nIf a QuestionnaireResponse references a Questionnaire, then the QuestionnaireResponse structure must be consistent with the Questionnaire (i.e. questions must be organized into the same groups, nested questions must still be nested, etc.)."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|3.0.2",
      "target": "http://hl7.org/fhir/3.0/StructureDefinition/extension-QuestionnaireResponse.item.subject|0.1.0",
      "element": [
        {
          "code": "QuestionnaireResponse.item.subject",
          "display": "subject",
          "target": [
            {
              "code": "Extension",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.item.subject` has a context of QuestionnaireResponse.item based on following the parent source element upwards and mapping to `QuestionnaireResponse`.\nElement `QuestionnaireResponse.item.subject` has no mapping targets in FHIR R5. Typically, this is because the element has been added (is a new element)."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|3.0.2",
      "target": "http://hl7.org/fhir/3.0/StructureDefinition/extension-QuestionnaireResponse.item.answer.value|0.1.0",
      "element": [
        {
          "code": "QuestionnaireResponse.item.answer.value[x]",
          "display": "value[x]",
          "target": [
            {
              "code": "Extension",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.item.answer.value[x]` is mapped to FHIR R5 element `QuestionnaireResponse.item.answer.value[x]` as `RelatedTo`.\nThe mappings for `QuestionnaireResponse.item.answer.value[x]` do not cover the following types: Attachment.\nThe target context `QuestionnaireResponse.item.answer.value[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `QuestionnaireResponse.item.answer`.\nThe standard extension `alternate-reference` has been mapped as PART of the representation of FHIR STU3 element `QuestionnaireResponse.item.answer.value[x]` with unmapped reference targets: Resource.\nSource element `QuestionnaireResponse.item.answer.value[x]` has unmapped reference types. While the target element `QuestionnaireResponse.item.answer.value[x]` is a choice type and does not allow extensions, the `alternate-reference` extension can be applied to Reference values within it.\nMore complex structures (Attachment, Resource and Quantity) will typically be limited to electronic forms that can expose an appropriate user interface to capture the components and enforce the constraints of a complex data type.  Additional complex types can be introduced through extensions."
            }
          ]
        }
      ]
    },
    {
      "source": "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse|3.0.2",
      "target": "http://hl7.org/fhir/StructureDefinition/alternate-reference|5.2.0",
      "element": [
        {
          "code": "QuestionnaireResponse.item.answer.value[x]",
          "display": "value[x]",
          "target": [
            {
              "code": "Extension",
              "relationship": "equivalent",
              "comment": "Element `QuestionnaireResponse.item.answer.value[x]` is mapped to FHIR R5 element `QuestionnaireResponse.item.answer.value[x]` as `RelatedTo`.\nThe mappings for `QuestionnaireResponse.item.answer.value[x]` do not cover the following types: Attachment.\nThe target context `QuestionnaireResponse.item.answer.value[x]` is a choice-type element and cannot directly hold extensions. The context is moved up to parent element `QuestionnaireResponse.item.answer`.\nThe standard extension `alternate-reference` has been mapped as PART of the representation of FHIR STU3 element `QuestionnaireResponse.item.answer.value[x]` with unmapped reference targets: Resource.\nSource element `QuestionnaireResponse.item.answer.value[x]` has unmapped reference types. While the target element `QuestionnaireResponse.item.answer.value[x]` is a choice type and does not allow extensions, the `alternate-reference` extension can be applied to Reference values within it.\nMore complex structures (Attachment, Resource and Quantity) will typically be limited to electronic forms that can expose an appropriate user interface to capture the components and enforce the constraints of a complex data type.  Additional complex types can be introduced through extensions."
            }
          ]
        }
      ]
    }
  ]
}