description: This identifier is used to identify a single ServiceRequest package_name: de.gematik.erp derivation: constraint name: ERPServiceRequestRequestIdentifier type: Identifier elements: system: pattern: {type: Uri, value: 'https://gematik.de/fhir/erp-servicerequest/sid/NamingSystemRequestIdentifier'} index: 0 value: {short: String that uniquely references the ServiceRequest., mustSupport: true, index: 1} package_version: servicerequest-1.0.1 class: complex-type kind: complex-type url: https://gematik.de/fhir/erp-servicerequest/StructureDefinition/erp-service-request-request-identifier base: http://hl7.org/fhir/StructureDefinition/Identifier version: '1.0' required: [value]