description: This cross-version extension represents PlanDefinition.subject[x] from http://hl7.org/fhir/StructureDefinition/PlanDefinition|5.0.0 for use in FHIR R4B. package_name: rs/hl7.fhir.uv.xver derivation: constraint name: ext_R5_PlanDefinition_subject type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Type of individual the plan definition is focused on choices: [valueCodeableConcept, valueReference, valueCanonical] index: 1 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Type of individual the plan definition is focused on choiceOf: value index: 2 valueReference: short: Type of individual the plan definition is focused on refers: ['http://hl7.org/fhir/StructureDefinition/AdministrableProductDefinition', 'http://hl7.org/fhir/StructureDefinition/Group', 'http://hl7.org/fhir/StructureDefinition/ManufacturedItemDefinition', 'http://hl7.org/fhir/StructureDefinition/MedicinalProductDefinition', 'http://hl7.org/fhir/StructureDefinition/PackagedProductDefinition', 'http://hl7.org/fhir/StructureDefinition/SubstanceDefinition'] type: Reference base: {path: 'Extension.value[x]'} choiceOf: value index: 3 valueCanonical: base: {path: 'Extension.value[x]'} type: canonical short: Type of individual the plan definition is focused on choiceOf: value index: 4 url: pattern: {type: uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-PlanDefinition.subject'} type: uri index: 5 package_version: r5.r4b-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-PlanDefinition.subject base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]