description: This profile defines the UK constraints and extensions on the International FHIR resource [DocumentReference](https://hl7.org/fhir/R4/DocumentReference.html). package_name: fhir.r4.ukcore.stu3.currentbuild derivation: constraint name: UKCoreDocumentReference type: DocumentReference elements: description: {mustSupport: true, index: 7} category: {mustSupport: true, index: 3} date: {mustSupport: true, index: 5} content: {mustSupport: true, index: 8} type: binding: {strength: extensible, valueSet: 'https://fhir.hl7.org.uk/ValueSet/UKCore-DocumentType'} mustSupport: true index: 2 author: {mustSupport: true, index: 6} status: {mustSupport: true, index: 1} identifier: {mustSupport: true, index: 0} context: elements: practiceSetting: binding: {strength: preferred, valueSet: 'https://fhir.hl7.org.uk/ValueSet/UKCore-CareSettingType'} index: 9 subject: {mustSupport: true, index: 4} package_version: 0.23.0-pre-release class: profile kind: resource url: https://fhir.hl7.org.uk/StructureDefinition/UKCore-DocumentReference base: http://hl7.org/fhir/StructureDefinition/DocumentReference version: 2.2.0