description: This profile represents the average number of cigarettes smoked per day for each time period indicated by the value selected for code. package_name: hl7.fhir.us.bfdr derivation: constraint name: ObservationCigaretteSmokingBeforeDuringPregnancy type: Observation elements: code: short: This value set contains codes to determine the number of cigarettes smoked in specific periods before and during pregnancy. binding: {strength: required, valueSet: 'http://hl7.org/fhir/us/bfdr/ValueSet/cigarette-smoking-before-during-pregnancy'} index: 0 subject: type: Reference refers: ['http://hl7.org/fhir/us/vr-common-library/StructureDefinition/Patient-mother-vr'] index: 1 focus: type: Reference refers: ['http://hl7.org/fhir/us/vr-common-library/StructureDefinition/Patient-vr'] index: 2 value: short: Average number of cigarettes smoked per day choices: [valueInteger] index: 4 valueInteger: {type: integer, short: Average number of cigarettes smoked per day, choiceOf: value, index: 5} package_version: 2.0.0 class: profile kind: resource url: http://hl7.org/fhir/us/bfdr/StructureDefinition/Observation-cigarette-smoking-before-during-pregnancy base: http://hl7.org/fhir/StructureDefinition/Observation version: 2.0.0 required: [focus, value, subject, valueInteger]