| Z77 | Other contact with and (suspected) exposures hazardous to health | NON-BILLABLE CODE |
| Z77.0 | Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals | NON-BILLABLE CODE |
| Z77.01 | Contact with and (suspected) exposure to hazardous metals | NON-BILLABLE CODE |
| Z77.010 | Contact with and (suspected) exposure to arsenic | BILLABLE CODE |
| Z77.011 | Contact with and (suspected) exposure to lead | BILLABLE CODE |
| Z77.012 | Contact with and (suspected) exposure to uranium | BILLABLE CODE |
| Z77.018 | Contact with and (suspected) exposure to other hazardous metals | BILLABLE CODE |
| Z77.02 | Contact with and (suspected) exposure to hazardous aromatic compounds | NON-BILLABLE CODE |
| Z77.020 | Contact with and (suspected) exposure to aromatic amines | BILLABLE CODE |
| Z77.021 | Contact with and (suspected) exposure to benzene | BILLABLE CODE |
| Z77.028 | Contact with and (suspected) exposure to other hazardous aromatic compounds | BILLABLE CODE |
| Z77.09 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | NON-BILLABLE CODE |
| Z77.090 | Contact with and (suspected) exposure to asbestos | BILLABLE CODE |
| Z77.098 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | BILLABLE CODE |
| Z77.1 | Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment | NON-BILLABLE CODE |
| Z77.11 | Contact with and (suspected) exposure to environmental pollution | NON-BILLABLE CODE |
| Z77.110 | Contact with and (suspected) exposure to air pollution | BILLABLE CODE |
| Z77.111 | Contact with and (suspected) exposure to water pollution | BILLABLE CODE |
| Z77.112 | Contact with and (suspected) exposure to soil pollution | BILLABLE CODE |
| Z77.118 | Contact with and (suspected) exposure to other environmental pollution | BILLABLE CODE |
| Z77.12 | Contact with and (suspected) exposure to hazards in the physical environment | NON-BILLABLE CODE |
| Z77.120 | Contact with and (suspected) exposure to mold (toxic) | BILLABLE CODE |
| Z77.121 | Contact with and (suspected) exposure to harmful algae and algae toxins | BILLABLE CODE |
| Z77.122 | Contact with and (suspected) exposure to noise | BILLABLE CODE |
| Z77.123 | Contact with and (suspected) exposure to radon and other naturally occurring radiation | BILLABLE CODE |
| Z77.2 | Contact with and (suspected) exposure to other hazardous substances | NON-BILLABLE CODE |
| Z77.21 | Contact with and (suspected) exposure to potentially hazardous body fluids | BILLABLE CODE |
| Z77.22 | Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic) | BILLABLE CODE |
| Z77.29 | Contact with and (suspected) exposure to other hazardous substances | BILLABLE CODE |
| Z77.9 | Other contact with and (suspected) exposures hazardous to health | BILLABLE CODE |
