description: 'CorHealth Observation 57: History of Tobacco Use' package_name: ca.on.oh.corhealth derivation: constraint name: CorHealthObservation057 type: Observation elements: code: pattern: type: CodeableConcept value: coding: - {code: '57', system: 'https://corhealth-ontario.ca/fhir/CodeSystem/CorHealthDataElementObservationCS', display: History of Tobacco Use} index: 0 value: short: 'Field ID: 57. History of Tobacco Use' choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, short: 'Field ID: 57. History of Tobacco Use', choiceOf: value, index: 3} package_version: 0.2.0-beta class: profile kind: resource url: https://corhealth-ontario.ca/fhir/StructureDefinition/corhealth-observation-057 base: https://corhealth-ontario.ca/fhir/StructureDefinition/corhealth-observation version: null