description: A reference to a supervision care observation. package_name: nexuzhealth.fhir.r4 derivation: constraint name: NxhExtSupervisionCareObservation type: Extension elements: url: pattern: {type: Uri, value: 'https://fhir.nexuzhealth.com/standards/fhir/StructureDefinition/nxh-ext-supervisionCareObservation'} index: 0 value: choices: [valueReference] index: 2 valueReference: type: Reference choiceOf: value refers: ['https://fhir.nexuzhealth.com/standards/fhir/StructureDefinition/NxhCareObservation'] index: 3 package_version: 1.0.0 class: extension kind: complex-type url: https://fhir.nexuzhealth.com/standards/fhir/StructureDefinition/nxh-ext-supervisionCareObservation base: http://hl7.org/fhir/StructureDefinition/Extension version: null