LOINC Code 62501-2: PhenX - tobacco - age of offset use - adult protocol 030902

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component PhenX - tobacco - age of offset use - adult protocol 030902. It is commonly used with the system or sample type ^Patient.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Panel type: Panel
• Method: PhenX

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• PhenX - tobacco - age of offset use - adult protocol 030902
• Measurement to ascertain when the respondent quit smoking. Response is used to calculate duration of use and pack-years measures and allows one to distinguish recent quitters from long-time quitters. Respondent is asked how long it has been since he or she completely quit smoking only if he or she was classified as a Former Smoker based on responses to the Tobacco - Smoking Status (Adult Protocol). Length of time and unit of time (days, weeks, months, years) are recorded.
• Pan; Panel; PANEL.PHENX; Panl; Pnl; Point in time; Random; Tobac age offset adult proto

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions