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PhenX measure - tobacco - age of initiation of use:-:Pt: Patient:-:PhenX - CISMeF
PhenX measure - tobacco - age of initiation of use:-:Pt: Patient:-:PhenXLOINC code
Preferred Label : PhenX measure - tobacco - age of initiation of use:-:Pt: Patient:-:PhenX;
LOINC status : DEPRECATED;
LOINC long common name : Deprecated PhenX measure - tobacco - age of initiation of use;
LOINC description : Questions asking the respondent how old s/he was when s/he first smoked cigarettes
and first smoked cigarettes regularly. This measure assesses when the participant's
exposure to cigarette smoking began, often associated with level of nicotine addiction.
When this measure is used in conjunction with the Tobacco - Age of Offset of Use measure
for former smokers or current age for current smokers, the participant's duration
of smoking can be derived. Pack-years can also be derived from calculating the measure
of amount smoked and duration.;
Has component