Z77.31 ICD-10-CM Code: Contact with and (suspected) exposure to Gulf War theater
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
Z77.31Contact with and (suspected) exposure to Gulf War theater
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where Z77.31 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
Subcategory Z77.3
Contact with and (suspected) exposure to war theater
- 5
Code Z77.31
Contact with and (suspected) exposure to Gulf War theater
Documentation details
Notes for this code
Inclusion terms
- Contact with and (suspected) exposure to Persian Gulf War theater
Code first
No “code first” instruction is listed for Z77.31.
Use additional code
No “use additional code” instruction is listed for Z77.31.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Z77.31.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Z77.31.
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 Z77.31 mean?
Z77.31 is the FY 2027 U.S. ICD-10-CM code for “Contact with and (suspected) exposure to Gulf War theater.”
Is Z77.31 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, Z77.31 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is Z77.31 located in ICD-10-CM?
Z77.31 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 and subcategory Z77.3, Contact with and (suspected) exposure to war theater.
What coding notes are listed for Z77.31?
Its listed inclusion terms are Contact with and (suspected) exposure to Persian Gulf War theater. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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