Z57.31 – Occupational exposure to environmental tobacco smoke

ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to socioeconomic and psychosocial circumstances

Billable code

ICD-10-CM code Z57.31

Code: Z57.31 (claims format: Z5731)
Description: Occupational exposure to environmental tobacco smoke
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Z55-Z65 Persons with potential health hazards related to socioeconomic and psychosocial circumstances
Parent codes: Z57 › Z57.3

Notes for Z57.31

Excludes2 (not included here):

exposure to environmental tobacco smoke (Z77.22)

Index terms for Z57.31

Entries in the ICD-10-CM alphabetic index that lead to this code:

Exposure, occupational, environmental tobacco smoke

Related codes in Z57.3

Z57.39 – Occupational exposure to other air contaminantsBillable

Frequently asked questions

What is ICD-10 code Z57.31?

Z57.31 is the ICD-10-CM code for occupational exposure to environmental tobacco smoke, in the block Z55-Z65 (Persons with potential health hazards related to socioeconomic and psychosocial circumstances).

Is Z57.31 a billable code?

Yes. Z57.31 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z57.31 belong to?

It belongs to category Z57 – Occupational exposure to risk factors.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.