Z57.31 — Occupational exposure to environmental tobacco smoke
Z57.31 is a billable, specific ICD-10-CM code for occupational exposure to environmental tobacco smoke. It is valid for submission on a claim.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- exposure to environmental tobacco smoke (Z77.22)
Risk adjustment
Z57.31 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How Z57.31 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Z57.31.
- Exposure›occupational›environmental tobacco smoke
Related codes at this level
Codes that share Z57.3. If Z57.31 is not quite right, the correct code is usually one of these.
Questions about Z57.31
- Is Z57.31 a billable ICD-10-CM code?
- Yes. Z57.31 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z57.31 sit in the tabular list?
- Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to socioeconomic and psychosocial circumstances (Z55-Z65).