2025 ICD-10-CM code Z57.31
Occupational exposure to environmental tobacco smoke.
This code is used for encounters with health services for reasons other than disease or injury. A procedure code must be present alongside the Z code if a procedure has been performed.The medical necessity is for documenting a risk factor.
Clinicians should document the patient's occupation and the presence of environmental tobacco smoke in the workplace.It's essential to differentiate between occupational exposure and voluntary exposure outside of work.
- Chapter 21: Factors influencing health status and contact with health services (Z00-Z99)
- Persons with potential health hazards related to socioeconomic and psychosocial circumstances (Z55-Z65)
In simple words: This code indicates exposure to secondhand smoke at work.
Occupational exposure to environmental tobacco smoke. This code is used to document exposure to second-hand smoke in a work environment.It excludes direct exposure to environmental tobacco smoke (Z77.22).
Example 1: A bartender working in a bar that allows smoking is diagnosed with occupational exposure to environmental tobacco smoke., A casino dealer who works in a smoking section reports exposure to secondhand smoke and is documented with Z57.31., A flight attendant who worked on flights where smoking was permitted before the ban develops respiratory problems, and the occupational exposure to environmental tobacco smoke is noted using Z57.31.
Documentation should include the patient's occupation, the work environment where exposure occurs, and the duration of exposure, if known.Any related health issues or symptoms potentially linked to the exposure should also be documented.
- Specialties:Occupational medicine, primary care, pulmonology
- Place of Service:Office, Occupational health clinic