description: Defines the additional constraints and extensions on the UK Core Observation profile, to record clinical observations about a patients level of consciousness. package_name: fhir.r4.ukcore.stu3.currentbuild derivation: constraint name: UKCoreObservationACVPU type: Observation elements: status: pattern: {type: code, value: final} type: code index: 0 category: {index: 1} code: elements: coding: elements: code: pattern: {type: code, value: '1104441000000107'} type: code index: 2 subject: {index: 3} effective: choices: [] index: 5 value: choices: [valueCodeableConcept] index: 7 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 8} component: {index: 9} package_version: 0.0.18-pre-release class: profile kind: resource url: https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation-ACVPU base: https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation version: 1.0.0 required: [category, effective, subject]