Is Z77 a billable code?
No. Z77 is a header code that groups 31 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Z77: Other contact with and (suspected) exposures hazardous to health
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Z77 groups related diagnoses under other contact with and (suspected) exposures hazardous to health. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under Z77
- Z77.010Contact with and (suspected) exposure to arsenic
- Z77.011Contact with and (suspected) exposure to lead
- Z77.012Contact with and (suspected) exposure to uranium
- Z77.013Contact with and (suspected) exposure to gadolinium
- Z77.018Contact with and (suspected) exposure to other hazardous metals
- Z77.020Contact with and (suspected) exposure to aromatic amines
- Z77.021Contact with and (suspected) exposure to benzene
- Z77.028Contact with and (suspected) exposure to other hazardous aromatic compounds
- Z77.090Contact with and (suspected) exposure to asbestos
- Z77.098Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals
- 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
- Z77.21Contact with and (suspected) exposure to potentially hazardous body fluids
- Z77.22Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic)
- Z77.29Contact with and (suspected) exposure to other hazardous substances
- Z77.31Contact with and (suspected) exposure to Gulf War theater
- Z77.32Contact with and (suspected) exposure to burn pits in war theater
- Z77.33Contact with and (suspected) exposure to Agent Orange
- Z77.39Contact with and (suspected) exposure to other war theater
- Z77.40Contact with and (suspected) exposure to unspecified blast overpressure
- Z77.41Contact with and (suspected) exposure to low-level blast overpressure
- Z77.42Contact with and (suspected) exposure to high-level blast overpressure
- Z77.49Contact with and (suspected) exposure to other blast overpressure
- Z77.9Other contact with and (suspected) exposures hazardous to health
Z77 questions
What does Z77 mean?
Z77 is the ICD-10-CM code for Other contact with and (suspected) exposures hazardous to health. 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.