ICD-10-CM · Chapter 21 · Z00-Z99
Z77 Other contact with and (suspected) exposures hazardous to health
Includes
- contact with and (suspected) exposures to potential hazards to health
Excludes 2 (not included here)
- contact with and (suspected) exposure to communicable diseases (Z20.-)
- exposure to (parental) (environmental) tobacco smoke in the perinatal period (P96.81)
- newborn affected by noxious substances transmitted via placenta or breast milk (P04.-)
- occupational exposure to risk factors (Z57.-)
- retained foreign body (Z18.-)
- retained foreign body fully removed (Z87.821)
- toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Z77..0 | Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals | No |
| Z77..01 | Contact with and (suspected) exposure to hazardous metals | No |
| Z77..010 | Contact with and (suspected) exposure to arsenic | Yes |
| Z77..011 | Contact with and (suspected) exposure to lead | Yes |
| Z77..012 | Contact with and (suspected) exposure to uranium | Yes |
| Z77..013 | Contact with and (suspected) exposure to gadolinium | Yes |
| Z77..018 | Contact with and (suspected) exposure to other hazardous metals | Yes |
| Z77..02 | Contact with and (suspected) exposure to hazardous aromatic compounds | No |
| Z77..020 | Contact with and (suspected) exposure to aromatic amines | Yes |
| Z77..021 | Contact with and (suspected) exposure to benzene | Yes |
| Z77..028 | Contact with and (suspected) exposure to other hazardous aromatic compounds | Yes |
| Z77..09 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | No |
| Z77..090 | Contact with and (suspected) exposure to asbestos | Yes |
| Z77..098 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | Yes |
| Z77..1 | Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment | No |
| Z77..11 | Contact with and (suspected) exposure to environmental pollution | No |
| Z77..110 | Contact with and (suspected) exposure to air pollution | Yes |
| Z77..111 | Contact with and (suspected) exposure to water pollution | Yes |
| Z77..112 | Contact with and (suspected) exposure to soil pollution | Yes |
| Z77..118 | Contact with and (suspected) exposure to other environmental pollution | Yes |
| Z77..12 | Contact with and (suspected) exposure to hazards in the physical environment | No |
| Z77..120 | Contact with and (suspected) exposure to mold (toxic) | Yes |
| Z77..121 | Contact with and (suspected) exposure to harmful algae and algae toxins | Yes |
| Z77..122 | Contact with and (suspected) exposure to noise | Yes |
| Z77..123 | Contact with and (suspected) exposure to radon and other naturally occurring radiation | Yes |
| Z77..128 | Contact with and (suspected) exposure to other hazards in the physical environment | Yes |
| Z77..2 | Contact with and (suspected) exposure to other hazardous substances | No |
| Z77..21 | Contact with and (suspected) exposure to potentially hazardous body fluids | Yes |
| Z77..22 | Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic) | Yes |
| Z77..29 | Contact with and (suspected) exposure to other hazardous substances | Yes |
| Z77..3 | Contact with and (suspected) exposure to war theater | No |
| Z77..31 | Contact with and (suspected) exposure to Gulf War theater | Yes |
| Z77..32 | Contact with and (suspected) exposure to burn pits in war theater | Yes |
| Z77..33 | Contact with and (suspected) exposure to Agent Orange | Yes |
| Z77..39 | Contact with and (suspected) exposure to other war theater | Yes |
| Z77..4 | Contact with and (suspected) exposure to blast overpressure | No |
| Z77..40 | Contact with and (suspected) exposure to unspecified blast overpressure | Yes |
| Z77..41 | Contact with and (suspected) exposure to low-level blast overpressure | Yes |
| Z77..42 | Contact with and (suspected) exposure to high-level blast overpressure | Yes |
| Z77..49 | Contact with and (suspected) exposure to other blast overpressure | Yes |
| Z77..9 | Other contact with and (suspected) exposures hazardous to health | Yes |
Last reviewed: September 2026