Is Z77.1 a billable code?
No. Z77.1 is a header code that groups 9 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Z77.1: Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Z77.1 groups related diagnoses under contact with and (suspected) exposure to environmental pollution and hazards in the physical environment. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under Z77.1
- Z77.110Contact with and (suspected) exposure to air pollution
- Z77.111Contact with and (suspected) exposure to water pollution
- Z77.112Contact with and (suspected) exposure to soil pollution
- Z77.118Contact with and (suspected) exposure to other environmental pollution
- Z77.120Contact with and (suspected) exposure to mold (toxic)
- Z77.121Contact with and (suspected) exposure to harmful algae and algae toxins
- Z77.122Contact with and (suspected) exposure to noise
- Z77.123Contact with and (suspected) exposure to radon and other naturally occurring radiation
- Z77.128Contact with and (suspected) exposure to other hazards in the physical environment
Other codes in Z77 Other contact with and (suspected) exposures hazardous to health
- Z77.0Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicalsheader
- Z77.2Contact with and (suspected) exposure to other hazardous substancesheader
- Z77.3Contact with and (suspected) exposure to war theaterheader
- Z77.4Contact with and (suspected) exposure to blast overpressureheader
- Z77.9Other contact with and (suspected) exposures hazardous to health
Z77.1 questions
What does Z77.1 mean?
Z77.1 is the ICD-10-CM code for Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment. It is in chapter 22, Factors influencing health status and contact with health services (Z00-Z99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.