Tobacco and nicotine use.
Capture: Structured: status, pack-years, quit date, products. Values: Status (current / former / never); pack-years; quit date; products (cigarettes, e-cigarette/vape, cigar, smokeless)
Code: LOINC 72166-2 (tobacco smoking status).
Gate thresholds:
- FRAX: current smoking only.
- ASCVD risk (PCE, PREVENT): current smoking.
- Lung cancer screening (USPSTF 2021): age 50–80, ≥ 20 pack-years, and current smoker or quit within 15 years.
Also relevant to Graves’ orbitopathy risk (smoking worsens it) and to radioiodine decisions in Graves’ disease.