{ "description": "This unique identifier is generated within the Medication Service. It is either a hash derived from a specific set of data elements of the Medication resource or a direct repetition of a single data element. This identifier ensures the distinct identification of Medication resources across the ePA system.", "_filename": "StructureDefinition-epa-medication-unique-identifier.json", "package_name": "de.gematik.epa.medication", "date": "2024-06-07", "derivation": "constraint", "publisher": "gematik GmbH", "fhirVersion": "4.0.1", "name": "EPAMedicationUniqueIdentifier", "abstract": false, "type": "Identifier", "experimental": "false", "resourceType": "StructureDefinition", "title": "EPA Medication Unique Identifier", "package_version": "1.0.2-rc1", "status": "active", "id": "f6bcaed1-9b55-4706-b33c-249a5ed9f8e6", "kind": "complex-type", "url": "https://gematik.de/fhir/epa-medication/StructureDefinition/epa-medication-unique-identifier", "version": "1.0.2-rc1", "differential": { "element": [ { "id": "Identifier.system", "min": 1, "path": "Identifier.system", "patternUri": "https://gematik.de/fhir/epa-medication/sid/epa-medication-unique-identifier", "mustSupport": true }, { "id": "Identifier.value", "min": 1, "path": "Identifier.value", "mustSupport": true } ] }, "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Identifier" }