Z77
Header — not billableOther contact with and (suspected) exposures hazardous to health
The ICD-10 code for other contact with and (suspected) exposures hazardous to health is Z77.
Z77 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 5 more specific codes below.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- contact with and (suspected) exposure to communicable diseases (Z20.-)
- exposure to (parental) (environmental) tobacco smoke in the perinatal period (P96.81)
- newborn affected by noxious substances transmitted via placenta or breast milk (P04.-)
- occupational exposure to risk factors (Z57.-)
- retained foreign body (Z18.-)
- retained foreign body fully removed (Z87.821)
- toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Includes
Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.
- contact with and (suspected) exposures to potential hazards to health
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under Z77
- 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
Related codes in this category
- Z78Other specified health statusnon-billable header
- Z79Long term (current) drug therapynon-billable header
- Z80Family history of primary malignant neoplasmnon-billable header
- Z81Family history of mental and behavioral disordersnon-billable header
- Z82Family history of certain disabilities and chronic diseases (leading to disablement)non-billable header
- Z83Family history of other specific disordersnon-billable header
- Z84Family history of other conditionsnon-billable header
- Z85Personal history of malignant neoplasmnon-billable header
- Z86Personal history of certain other diseasesnon-billable header
- Z87Personal history of other diseases and conditionsnon-billable header
- Z88Allergy status to drugs, medicaments and biological substancesnon-billable header
- Z89Acquired absence of limbnon-billable header
- Z90Acquired absence of organs, not elsewhere classifiednon-billable header
- Z91Personal risk factors, not elsewhere classifiednon-billable header
- Z92Personal history of medical treatmentnon-billable header
- Z93Artificial opening statusnon-billable header
- Z94Transplanted organ and tissue statusnon-billable header
- Z95Presence of cardiac and vascular implants and graftsnon-billable header
- Z96Presence of other functional implantsnon-billable header
- Z97Presence of other devicesnon-billable header
- Z98Other postprocedural statesnon-billable header
- Z99Dependence on enabling machines and devices, not elsewhere classifiednon-billable header
- Z77Other contact with and (suspected) exposures hazardous to healthnon-billable header