description: This profile defines the UK constraints and extensions on the International FHIR resource [Observation](https://hl7.org/fhir/R4/Observation.html). package_name: fhir.r4.ukcore.stu3.currentbuild derivation: constraint name: UKCoreObservation type: Observation elements: category: {short: A code that classifies the general type of observation being made., mustSupport: true, index: 1} method: {index: 10} value: short: The actual observed result. mustSupport: true choices: [] index: 8 component: short: Component / sub results. mustSupport: true index: 11 elements: code: binding: {strength: preferred, valueSet: 'https://fhir.hl7.org.uk/ValueSet/UKCore-ObservationType'} index: 12 status: {short: The status of the result value., mustSupport: true, index: 0} effective: short: A clinically relevant time / time-period for observation. mustSupport: true choices: [] index: 5 code: short: The type of observation (code / type). binding: {strength: preferred, valueSet: 'https://fhir.hl7.org.uk/ValueSet/UKCore-ObservationType'} mustSupport: true index: 2 bodySite: {index: 9} subject: {short: Who and / or what the observation is about., mustSupport: true, index: 3} performer: {short: Who is responsible for the observation., mustSupport: true, index: 6} package_version: 0.28.0-pre-release class: profile kind: resource url: https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation base: http://hl7.org/fhir/StructureDefinition/Observation version: 3.0.0