Z77 ICD-10-CM Code: Other contact with and (suspected) exposures hazardous to health
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
Z77Other contact with and (suspected) exposures hazardous to health
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where Z77 sits
- 1
Chapter 21
Factors influencing health status and contact with health services (Z00-Z99)
- 2
Section
Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
- 3
Category Z77
Other contact with and (suspected) exposures hazardous to health
- 4
Code Z77
Other contact with and (suspected) exposures hazardous to health
More specific choices
Codes under Z77
Z77 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Z77.0Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals
Z77.1Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment
Z77.2Contact with and (suspected) exposure to other hazardous substances
Z77.3Contact with and (suspected) exposure to war theater
Z77.4Contact with and (suspected) exposure to blast overpressure
Z77.9Other contact with and (suspected) exposures hazardous to health
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for Z77.
Code first
No “code first” instruction is listed for Z77.
Use additional code
No “use additional code” instruction is listed for Z77.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Z77.
Excludes2
Conditions not included here that may be reported separately when present.
- 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)
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code Z77 mean?
Z77 is the FY 2027 U.S. ICD-10-CM code for “Other contact with and (suspected) exposures hazardous to health.”
Is Z77 a billable or specific ICD-10-CM code?
No. Z77 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is Z77 located in ICD-10-CM?
Z77 is listed in Chapter 21, Factors influencing health status and contact with health services (Z00-Z99), within Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99) (Z77–Z99), under category Z77, Other contact with and (suspected) exposures hazardous to health.
What coding notes are listed for Z77?
No inclusion terms are listed for Z77 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: 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).
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