{
  "description": "R5: `Appointment.reason` additional types (CodeableReference(http://hl7.org/fhir/StructureDefinition/Condition), CodeableReference(http://hl7.org/fhir/StructureDefinition/Procedure), CodeableReference(http://hl7.org/fhir/StructureDefinition/Observation), CodeableReference(http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation))",
  "_filename": "StructureDefinition-ext-R5-Appointment.reason.json",
  "package_name": "hl7.fhir.uv.xver-r5.r4b",
  "date": "2026-03-17T21:02:03.8104715+00:00",
  "derivation": "constraint",
  "publisher": "FHIR Infrastructure",
  "fhirVersion": "4.3.0",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
    } ]
  } ],
  "purpose": "This extension is part of the cross-version definitions generated to enable use of the\r\nelement `Appointment.reason` as defined in FHIR R5\r\nin FHIR R4B.\r\n\r\nThe source element is defined as:\r\n`Appointment.reason` 0..* `CodeableReference(http://hl7.org/fhir/StructureDefinition/Condition,http://hl7.org/fhir/StructureDefinition/Procedure,http://hl7.org/fhir/StructureDefinition/Observation,http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation)`\r\n\r\nFollowing are the generation technical comments:\r\nElement `Appointment.reason` is mapped to FHIR R4B element `Appointment.reasonCode` as `SourceIsBroaderThanTarget`.\nElement `Appointment.reason` is mapped to FHIR R4B element `Appointment.reasonReference` as `SourceIsBroaderThanTarget`.\nThe mappings for `Appointment.reason` do not cover the following types: CodeableReference.",
  "name": "ExtensionAppointment_Reason",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": "Extension",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "R5: Reason this appointment is scheduled additional types",
  "package_version": "0.1.0",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "fhir"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/package-source",
    "extension": [ {
      "url": "packageId",
      "valueId": "hl7.fhir.uv.xver-r5.r4b"
    }, {
      "url": "version",
      "valueString": "0.1.0"
    }, {
      "url": "uri",
      "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r4b"
    } ]
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/version-specific-use",
    "extension": [ {
      "url": "startFhirVersion",
      "valueCode": "4.3"
    }, {
      "url": "endFhirVersion",
      "valueCode": "4.3"
    } ]
  }, {
    "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-r5.r4b"
      } ]
    }
  }, {
    "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-r5.r4b"
      } ]
    }
  } ],
  "snapshot": {
    "element": [ {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children unless an empty Parameters resource",
        "xpath": "@value|f:*|h:div|self::f:Parameters",
        "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters"
      }, {
        "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|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension",
      "min": 0,
      "definition": "R5: `Appointment.reason` additional types (CodeableReference(http://hl7.org/fhir/StructureDefinition/Condition), CodeableReference(http://hl7.org/fhir/StructureDefinition/Procedure), CodeableReference(http://hl7.org/fhir/StructureDefinition/Observation), CodeableReference(http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation))",
      "isModifier": false,
      "short": "R5: Reason this appointment is scheduled additional types",
      "max": "*",
      "id": "Extension",
      "condition": [ "ele-1" ],
      "comment": "Element `Appointment.reason` is mapped to FHIR R4B element `Appointment.reasonCode` as `SourceIsBroaderThanTarget`.\nElement `Appointment.reason` is mapped to FHIR R4B element `Appointment.reasonReference` as `SourceIsBroaderThanTarget`.\nThe mappings for `Appointment.reason` do not cover the following types: CodeableReference.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "path": "Extension.id",
      "min": 0,
      "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "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": "id"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.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|4.3.0",
        "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|4.3.0",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension.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": "Extension.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
    }, {
      "path": "Extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "isModifier": false,
      "short": "identifies the meaning of the extension",
      "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-Appointment.reason",
      "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": "uri"
        } ]
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.url",
      "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "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|4.3.0",
        "severity": "error",
        "expression": "hasValue() or (children().count() > id.count())"
      } ],
      "path": "Extension.value[x]",
      "min": 0,
      "definition": "The reason that this appointment is being scheduled. This is more clinical than administrative. This can be coded, or as specified using information from another resource. When the patient arrives and the encounter begins it may be used as the admission diagnosis. The indication will typically be a Condition (with other resources referenced in the evidence.detail), or a Procedure.",
      "isModifier": false,
      "short": "Reason this appointment is scheduled",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "CodeableReference",
        "targetProfile": [ "http://hl7.org/fhir/5.0/StructureDefinition/profile-Condition|0.1.0", "http://hl7.org/fhir/StructureDefinition/Condition|4.3.0", "http://hl7.org/fhir/5.0/StructureDefinition/profile-Procedure|0.1.0", "http://hl7.org/fhir/StructureDefinition/Procedure|4.3.0", "http://hl7.org/fhir/5.0/StructureDefinition/profile-Observation|0.1.0", "http://hl7.org/fhir/StructureDefinition/Observation|4.3.0", "http://hl7.org/fhir/5.0/StructureDefinition/profile-ImmunizationRecommendation|0.1.0", "http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation|4.3.0" ]
      } ],
      "max": "1",
      "id": "Extension.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "isSummary": false
    } ],
    "extension": [ {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
      "valueString": "4.3.0"
    } ]
  },
  "status": "active",
  "id": "36587b50-81be-48e7-8ed4-48d11ffccc9b",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-Appointment.reason",
  "context": [ {
    "type": "element",
    "expression": "Appointment"
  } ],
  "version": "0.1.0",
  "differential": {
    "element": [ {
      "path": "Extension",
      "min": 0,
      "definition": "R5: `Appointment.reason` additional types (CodeableReference(http://hl7.org/fhir/StructureDefinition/Condition), CodeableReference(http://hl7.org/fhir/StructureDefinition/Procedure), CodeableReference(http://hl7.org/fhir/StructureDefinition/Observation), CodeableReference(http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation))",
      "isModifier": false,
      "short": "R5: Reason this appointment is scheduled additional types",
      "max": "*",
      "id": "Extension",
      "comment": "Element `Appointment.reason` is mapped to FHIR R4B element `Appointment.reasonCode` as `SourceIsBroaderThanTarget`.\nElement `Appointment.reason` is mapped to FHIR R4B element `Appointment.reasonReference` as `SourceIsBroaderThanTarget`.\nThe mappings for `Appointment.reason` do not cover the following types: CodeableReference.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "id": "Extension.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.url",
      "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-Appointment.reason"
    }, {
      "id": "Extension.value[x]",
      "max": "1",
      "min": 0,
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      },
      "path": "Extension.value[x]",
      "type": [ {
        "code": "CodeableReference",
        "targetProfile": [ "http://hl7.org/fhir/5.0/StructureDefinition/profile-Condition|0.1.0", "http://hl7.org/fhir/StructureDefinition/Condition|4.3.0", "http://hl7.org/fhir/5.0/StructureDefinition/profile-Procedure|0.1.0", "http://hl7.org/fhir/StructureDefinition/Procedure|4.3.0", "http://hl7.org/fhir/5.0/StructureDefinition/profile-Observation|0.1.0", "http://hl7.org/fhir/StructureDefinition/Observation|4.3.0", "http://hl7.org/fhir/5.0/StructureDefinition/profile-ImmunizationRecommendation|0.1.0", "http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation|4.3.0" ]
      } ],
      "short": "Reason this appointment is scheduled",
      "definition": "The reason that this appointment is being scheduled. This is more clinical than administrative. This can be coded, or as specified using information from another resource. When the patient arrives and the encounter begins it may be used as the admission diagnosis. The indication will typically be a Condition (with other resources referenced in the evidence.detail), or a Procedure."
    } ]
  },
  "contact": [ {
    "name": "FHIR Infrastructure",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/fiwg",
      "system": "url"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0"
}