description: This profile constrains the Observation resource to represent the position of the fetus. package_name: ch.fhir.ig.ch-epreg derivation: constraint name: ChEpregObservationFetalPosition type: Observation elements: code: pattern: type: CodeableConcept value: coding: - {code: '364607000', system: 'http://snomed.info/sct'} type: CodeableConcept index: 0 subject: type: Reference refers: ['http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-patient-child'] index: 1 encounter: type: Reference refers: ['http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-encounter-child'] index: 2 effective: choices: [effectiveDateTime] index: 4 effectiveDateTime: {type: dateTime, choiceOf: effective, index: 5} performer: {index: 6} value: choices: [valueCodeableConcept] index: 8 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 9} package_version: 1.0.0-ballot class: profile kind: resource url: http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-observation-fetal-position base: http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-observation-preg-progress version: 1.0.0-ballot required: [value, valueCodeableConcept]