description: null package_name: uk.nhsdigital.medicines.r4 derivation: constraint name: Extension-PrescriptionEndorsement type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.nhs.uk/StructureDefinition/Extension-DM-PrescriptionEndorsement'} index: 0 value: choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 3} value[x]: elements: coding: index: 4 elements: system: {index: 5} code: {index: 6} required: [system, code] required: [coding] package_version: 2.1.1-alpha class: extension kind: complex-type url: https://fhir.nhs.uk/StructureDefinition/Extension-DM-PrescriptionEndorsement base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [value, valueCodeableConcept]