description: 'STU3: `Specimen.container.identifier` (new:Identifier)' package_name: hl7.fhir.uv.xver-r3.r5 derivation: constraint name: ExtensionSpecimen_Container_Identifier type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-Specimen.container.identifier'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Id for the container choices: [valueIdentifier] index: 2 valueIdentifier: short: Id for the container type: Identifier base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 3 package_version: 0.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-Specimen.container.identifier base: http://hl7.org/fhir/StructureDefinition/Extension|5.0.0 version: 0.1.0 required: [url]