Z77.0 – Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals
ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to family and personal history and certain conditions influencing health status
- Code
Z77.0(claims format:Z770)- Description
- Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals
- Short description
- Contact w and exposure to hazard, chiefly nonmed, chemicals
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status
- Parent codes
- Z77
Billable codes under Z77.0
Z77.0 is a header code and cannot be used on claims. Choose the most specific code:
- Z77.01 – Contact with and (suspected) exposure to hazardous metalsHeader (more codes below)
- Z77.02 – Contact with and (suspected) exposure to hazardous aromatic compoundsHeader (more codes below)
- Z77.09 – Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicalsHeader (more codes below)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Z77 – Other contact with and (suspected) exposures hazardous to health
- contact with and (suspected) exposures to potential hazards to health
- 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)
Block Z77-Z99
Related codes in Z77
- Z77.1 – Contact with and (suspected) exposure to environmental pollution and hazards in the physical environmentHeader
- Z77.2 – Contact with and (suspected) exposure to other hazardous substancesHeader
- Z77.3 – Contact with and (suspected) exposure to war theaterHeader
- Z77.4 – Contact with and (suspected) exposure to blast overpressureHeader
- Z77.9 – Other contact with and (suspected) exposures hazardous to healthBillable
Frequently asked questions
What is ICD-10 code Z77.0?
Z77.0 is the ICD-10-CM code for contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals, in the block Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).
Is Z77.0 a billable code?
No. Z77.0 is a header code with more specific child codes; report one of the billable codes listed above.
What category does Z77.0 belong to?
It belongs to category Z77 – Other contact with and (suspected) exposures hazardous to health.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.