description: Indicates the patient's smoking status as supporting information. This extension is not the clinical source of truth for smoking status and should not be used to infer or confirm it. package_name: il.hdp.fhir.r4 derivation: constraint name: ILHDPExtensionSmokingStatus type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hdp.fhir.health.gov.il/StructureDefinition/ext-hdp-smoking-status'} index: 1 value: choices: [valueCodeableConcept] index: 3 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4} package_version: 0.6.0 extensions: {} class: extension kind: complex-type url: http://hdp.fhir.health.gov.il/StructureDefinition/ext-hdp-smoking-status base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.6.0 required: [value, valueCodeableConcept]