ICD-10-CM category
Z77: Other contact with and (suspected) exposures hazardous to health
Codes under Z77 (Other contact with and (suspected) exposures hazardous to health). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z77.0 | Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals | — |
| Z77.0 | Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals | — |
| Z77.01 | Contact with and (suspected) exposure to hazardous metals | — |
| Z77.01 | Contact with and (suspected) exposure to hazardous metals | — |
| Z77.1 | Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment | — |
| Z77.1 | Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment | — |
| Z77.02 | Contact with and (suspected) exposure to hazardous aromatic compounds | — |
| Z77.02 | Contact with and (suspected) exposure to hazardous aromatic compounds | — |
| Z77.2 | Contact with and (suspected) exposure to other hazardous substances | — |
| Z77.2 | Contact with and (suspected) exposure to other hazardous substances | — |
| Z77.3 | Contact with and (suspected) exposure to war theater | — |
| Z77.3 | Contact with and (suspected) exposure to war theater | — |
| Z77.4 | Contact with and (suspected) exposure to blast overpressure | — |
| Z77.09 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | — |
| Z77.09 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | — |
| Z77.9 | Other contact with and (suspected) exposures hazardous to health | ✓ |
| Z77.9 | Other contact with and (suspected) exposures hazardous to health | ✓ |
| Z77.010 | Contact with and (suspected) exposure to arsenic | ✓ |
| Z77.010 | Contact with and (suspected) exposure to arsenic | ✓ |
| Z77.011 | Contact with and (suspected) exposure to lead | ✓ |
| Z77.011 | Contact with and (suspected) exposure to lead | ✓ |
| Z77.11 | Contact with and (suspected) exposure to environmental pollution | — |
| Z77.11 | Contact with and (suspected) exposure to environmental pollution | — |
| Z77.012 | Contact with and (suspected) exposure to uranium | ✓ |
| Z77.012 | Contact with and (suspected) exposure to uranium | ✓ |
| Z77.12 | Contact with and (suspected) exposure to hazards in the physical environment | — |
| Z77.12 | Contact with and (suspected) exposure to hazards in the physical environment | — |
| Z77.013 | Contact with and (suspected) exposure to gadolinium | ✓ |
| Z77.018 | Contact with and (suspected) exposure to other hazardous metals | ✓ |
| Z77.018 | Contact with and (suspected) exposure to other hazardous metals | ✓ |
| Z77.020 | Contact with and (suspected) exposure to aromatic amines | ✓ |
| Z77.020 | Contact with and (suspected) exposure to aromatic amines | ✓ |
| Z77.021 | Contact with and (suspected) exposure to benzene | ✓ |
| Z77.021 | Contact with and (suspected) exposure to benzene | ✓ |
| Z77.21 | Contact with and (suspected) exposure to potentially hazardous body fluids | ✓ |
| Z77.21 | Contact with and (suspected) exposure to potentially hazardous body fluids | ✓ |
| Z77.22 | Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic) | ✓ |
| Z77.22 | Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic) | ✓ |
| Z77.028 | Contact with and (suspected) exposure to other hazardous aromatic compounds | ✓ |
| Z77.028 | Contact with and (suspected) exposure to other hazardous aromatic compounds | ✓ |
| Z77.29 | Contact with and (suspected) exposure to other hazardous substances | ✓ |
| Z77.29 | Contact with and (suspected) exposure to other hazardous substances | ✓ |
| Z77.31 | Contact with and (suspected) exposure to Gulf War theater | ✓ |
| Z77.31 | Contact with and (suspected) exposure to Gulf War theater | ✓ |
| Z77.32 | Contact with and (suspected) exposure to burn pits in war theater | ✓ |
| Z77.33 | Contact with and (suspected) exposure to Agent Orange | ✓ |
| Z77.39 | Contact with and (suspected) exposure to other war theater | ✓ |
| Z77.39 | Contact with and (suspected) exposure to other war theater | ✓ |
| Z77.40 | Contact with and (suspected) exposure to unspecified blast overpressure | ✓ |
| Z77.41 | Contact with and (suspected) exposure to low-level blast overpressure | ✓ |
| Z77.42 | Contact with and (suspected) exposure to high-level blast overpressure | ✓ |
| Z77.49 | Contact with and (suspected) exposure to other blast overpressure | ✓ |
| Z77.090 | Contact with and (suspected) exposure to asbestos | ✓ |
| Z77.090 | Contact with and (suspected) exposure to asbestos | ✓ |
| Z77.098 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | ✓ |
| Z77.098 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | ✓ |
| Z77.110 | Contact with and (suspected) exposure to air pollution | ✓ |
| Z77.110 | Contact with and (suspected) exposure to air pollution | ✓ |
| Z77.111 | Contact with and (suspected) exposure to water pollution | ✓ |
| Z77.111 | Contact with and (suspected) exposure to water pollution | ✓ |
| Z77.112 | Contact with and (suspected) exposure to soil pollution | ✓ |
| Z77.112 | Contact with and (suspected) exposure to soil pollution | ✓ |
| Z77.118 | Contact with and (suspected) exposure to other environmental pollution | ✓ |
| Z77.118 | Contact with and (suspected) exposure to other environmental pollution | ✓ |
| Z77.120 | Contact with and (suspected) exposure to mold (toxic) | ✓ |
| Z77.120 | Contact with and (suspected) exposure to mold (toxic) | ✓ |
| Z77.121 | Contact with and (suspected) exposure to harmful algae and algae toxins | ✓ |
| Z77.121 | Contact with and (suspected) exposure to harmful algae and algae toxins | ✓ |
| Z77.122 | Contact with and (suspected) exposure to noise | ✓ |
| Z77.122 | Contact with and (suspected) exposure to noise | ✓ |
| Z77.123 | Contact with and (suspected) exposure to radon and other naturally occurring radiation | ✓ |
| Z77.123 | Contact with and (suspected) exposure to radon and other naturally occurring radiation | ✓ |
| Z77.128 | Contact with and (suspected) exposure to other hazards in the physical environment | ✓ |
| Z77.128 | Contact with and (suspected) exposure to other hazards in the physical environment | ✓ |
Frequently asked questions
What is ICD-10-CM code Z77?
Z77 is an ICD-10-CM category covering Other contact with and (suspected) exposures hazardous to health. It contains 74 more specific diagnosis codes, 55 of which are billable.
Is Z77 a billable code?
No — Z77 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z77.0 — Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals). 55 of the 74 codes under Z77 are billable.
What codes fall under Z77?
Z77 includes Z77.0, Z77.0, Z77.01, Z77.01, Z77.1, plus 69 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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