Z77.29
Billable codeContact with and (suspected) exposure to other hazardous substances
The ICD-10 code for contact with and (suspected) exposure to other hazardous substances is Z77.29.
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
- Z77.21Contact with and (suspected) exposure to potentially hazardous body fluids
- Z77.22Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic)
- Z77.29Contact with and (suspected) exposure to other hazardous substances
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- V8739Approximate match
Associated MS-DRGs
Z77.29 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.