description: Gestational Age Observation package_name: hl7.fhir.eu.imaging derivation: constraint name: ObservationGestationalAgeEuImaging type: Observation elements: code: pattern: type: CodeableConcept value: coding: - {code: '598151000005105', system: 'http://snomed.info/sct'} index: 0 value: short: The age of the patient. choices: [valueQuantity] index: 2 valueQuantity: {type: Quantity, short: The age of the patient., choiceOf: value, index: 3} package_version: 1.0.0-ballot class: profile kind: resource url: http://hl7.eu/fhir/imaging/StructureDefinition/ObservationGestationalAgeEuImaging base: http://hl7.org/fhir/StructureDefinition/Observation version: 1.0.0-ballot required: [value, valueQuantity]