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Z77.9

Billable

Other contact with and (suspected) exposures hazardous to health

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A person has been exposed to or suspected of being exposed to other hazardous substances or conditions that are harmful to health but do not fit into more specific exposure categories.

Coding Tips

  • •This is a catch-all code; use only when more specific Z77 codes do not apply
  • •Always document the nature of the exposure in the medical record for clinical clarity

Code Hierarchy

└Z77Other contact with and (suspected) exposures hazardous to health└Z77.9Other contact with and (suspected) exposures hazardous to health
└Z77.9Other contact with and (suspected) exposures hazardous to health

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