description: This unique identifier is generated within the Medication Service. It is a hash derived from all clinically relevant data elements of the MedicationDispense resource that carry information about the actual dispensing. This identifier ensures the distinct identification of MedicationDispense resources across the ePA system. package_name: de.gematik.epa derivation: constraint name: EPAMedicationDispenseUniqueIdentifier type: Identifier elements: system: pattern: {type: Uri, value: 'https://gematik.de/fhir/epa-medication/sid/epa-dispense-unique-identifier'} mustSupport: true index: 0 value: {mustSupport: true, index: 1} package_version: 1.4.0-ballot.1 class: complex-type kind: complex-type url: https://gematik.de/fhir/epa-medication/StructureDefinition/epa-medication-dispense-unique-identifier base: http://hl7.org/fhir/StructureDefinition/Identifier version: 1.4.0 required: [value, system]