description: Identifier of a packaged medicinal product refers to a specific pack size of a specific product. package_name: de.gematik.tiflow.erezept derivation: constraint name: GEM_ERPEU_EX_MedicinalPackageIdentifier type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://gematik.de/fhir/tiflow-erezept/StructureDefinition/GEM-ERPEU-EX-MedicinalPackageIdentifier'} index: 1 value: choices: [valueIdentifier] index: 3 valueIdentifier: {type: Identifier, choiceOf: value, index: 4} value[x]: elements: system: {mustSupport: true, index: 5} value: {mustSupport: true, index: 6} required: [value] package_version: 2.0.0 extensions: {} class: extension kind: complex-type url: https://gematik.de/fhir/tiflow-erezept/StructureDefinition/GEM-ERPEU-EX-MedicinalPackageIdentifier base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0