Z77.9
Billable codeOther contact with and (suspected) exposures hazardous to health
The ICD-10 code for other contact with and (suspected) exposures hazardous to health is Z77.9.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z77.0Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicalsnon-billable header
- Z77.1Contact with and (suspected) exposure to environmental pollution and hazards in the physical environmentnon-billable header
- Z77.2Contact with and (suspected) exposure to other hazardous substancesnon-billable header
- Z77.3Contact with and (suspected) exposure to war theaternon-billable header
- Z77.9Other contact with and (suspected) exposures hazardous to health
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- V1589Approximate match
Associated MS-DRGs
Z77.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.