f:Observation text: minimum cardinality of 'text' is 1 effective[x]: minimum cardinality of 'effective[x]' is 1 value[x]: minimum cardinality of 'value[x]' is 1 Observation If the resource is contained in another resource, it SHALL NOT contain nested Resources (inherited) If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (inherited) If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (inherited) If a resource is contained in another resource, it SHALL NOT have a security label (inherited) A resource should have narrative for robust management (inherited) dataAbsentReason SHALL only be present if Observation.value[x] is not present (inherited) If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present (inherited) Observation.meta All FHIR elements must have a @value or children (inherited) Observation.implicitRules All FHIR elements must have a @value or children (inherited) Observation.language All FHIR elements must have a @value or children (inherited) Observation.text All FHIR elements must have a @value or children (inherited) Observation.extension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) Observation.modifierExtension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) Observation.identifier All FHIR elements must have a @value or children (inherited) Observation.basedOn All FHIR elements must have a @value or children (inherited) Observation.partOf All FHIR elements must have a @value or children (inherited) Observation.status All FHIR elements must have a @value or children (inherited) Observation.category All FHIR elements must have a @value or children (inherited) Observation.code All FHIR elements must have a @value or children (inherited) Observation.subject All FHIR elements must have a @value or children (inherited) Observation.focus All FHIR elements must have a @value or children (inherited) Observation.encounter All FHIR elements must have a @value or children (inherited) Observation.effective[x] 1 All FHIR elements must have a @value or children (inherited) Observation.issued All FHIR elements must have a @value or children (inherited) Observation.performer All FHIR elements must have a @value or children (inherited) Observation.value[x] 1 All FHIR elements must have a @value or children (inherited) Observation.dataAbsentReason All FHIR elements must have a @value or children (inherited) Observation.interpretation All FHIR elements must have a @value or children (inherited) Observation.note All FHIR elements must have a @value or children (inherited) Observation.bodySite All FHIR elements must have a @value or children (inherited) Observation.method All FHIR elements must have a @value or children (inherited) Observation.specimen All FHIR elements must have a @value or children (inherited) Observation.device All FHIR elements must have a @value or children (inherited) Observation.referenceRange All FHIR elements must have a @value or children (inherited) Must have at least a low or a high or text (inherited) Observation.referenceRange.extension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) Observation.referenceRange.modifierExtension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) Observation.referenceRange.low All FHIR elements must have a @value or children (inherited) Observation.referenceRange.high All FHIR elements must have a @value or children (inherited) Observation.referenceRange.type All FHIR elements must have a @value or children (inherited) Observation.referenceRange.appliesTo All FHIR elements must have a @value or children (inherited) Observation.referenceRange.age All FHIR elements must have a @value or children (inherited) Observation.referenceRange.text All FHIR elements must have a @value or children (inherited) Observation.hasMember All FHIR elements must have a @value or children (inherited) Observation.derivedFrom All FHIR elements must have a @value or children (inherited) Observation.component All FHIR elements must have a @value or children (inherited) Observation.component.extension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) Observation.component.modifierExtension All FHIR elements must have a @value or children (inherited) Must have either extensions or value[x], not both (inherited) Observation.component.code All FHIR elements must have a @value or children (inherited) Observation.component.value[x] 1 All FHIR elements must have a @value or children (inherited) Observation.component.dataAbsentReason All FHIR elements must have a @value or children (inherited) Observation.component.interpretation All FHIR elements must have a @value or children (inherited) Observation.component.referenceRange All FHIR elements must have a @value or children (inherited)