description: This cross-version extension represents BiologicallyDerivedProduct.expirationDate from http://hl7.org/fhir/StructureDefinition/BiologicallyDerivedProduct|5.0.0 for use in FHIR R4B. package_name: hl7.fhir.uv.xver-r5.r4b derivation: constraint name: ext_R5_BiologicallyDerivedProduct_expirationDate type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Date, and where relevant time, of expiration choices: [valueDateTime] index: 1 valueDateTime: base: {path: 'Extension.value[x]'} type: dateTime short: Date, and where relevant time, of expiration choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-BiologicallyDerivedProduct.expirationDate'} type: uri index: 3 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-BiologicallyDerivedProduct.expirationDate base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]