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ICD-10-CM · FY 2026 APRIL UPDATE

Z77

Other contact with and (suspected) exposures hazardous to health

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
Z77.0Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicalsCategory
Z77.01Contact with and (suspected) exposure to hazardous metalsCategory
Z77.010Contact with and (suspected) exposure to arsenicBillable
Z77.011Contact with and (suspected) exposure to leadBillable
Z77.012Contact with and (suspected) exposure to uraniumBillable
Z77.013Contact with and (suspected) exposure to gadoliniumBillable
Z77.018Contact with and (suspected) exposure to other hazardous metalsBillable
Z77.02Contact with and (suspected) exposure to hazardous aromatic compoundsCategory
Z77.020Contact with and (suspected) exposure to aromatic aminesBillable
Z77.021Contact with and (suspected) exposure to benzeneBillable
Z77.028Contact with and (suspected) exposure to other hazardous aromatic compoundsBillable
Z77.09Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicalsCategory
Z77.090Contact with and (suspected) exposure to asbestosBillable
Z77.098Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicalsBillable
Z77.1Contact with and (suspected) exposure to environmental pollution and hazards in the physical environmentCategory
Z77.11Contact with and (suspected) exposure to environmental pollutionCategory
Z77.110Contact with and (suspected) exposure to air pollutionBillable
Z77.111Contact with and (suspected) exposure to water pollutionBillable
Z77.112Contact with and (suspected) exposure to soil pollutionBillable
Z77.118Contact with and (suspected) exposure to other environmental pollutionBillable
Z77.12Contact with and (suspected) exposure to hazards in the physical environmentCategory
Z77.120Contact with and (suspected) exposure to mold (toxic)Billable
Z77.121Contact with and (suspected) exposure to harmful algae and algae toxinsBillable
Z77.122Contact with and (suspected) exposure to noiseBillable
Z77.123Contact with and (suspected) exposure to radon and other naturally occurring radiationBillable
Z77.128Contact with and (suspected) exposure to other hazards in the physical environmentBillable
Z77.2Contact with and (suspected) exposure to other hazardous substancesCategory
Z77.21Contact with and (suspected) exposure to potentially hazardous body fluidsBillable
Z77.22Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic)Billable
Z77.29Contact with and (suspected) exposure to other hazardous substancesBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.