Z77.31

Billable
ChapterZ00–Z99
Ranksubcategory
Official Description

Contact with and (suspected) exposure to Gulf War theater

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Includes
  • Contact with and (suspected) exposure to Persian Gulf War theater
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH21Factors influencing health status and contact with health services (Z00-Z99)
Z77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Z77Other contact with and (suspected) exposures hazardous to health
Z77.3Contact with and (suspected) exposure to war theater
Z77.31Contact with and (suspected) exposure to Gulf War theaterBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z77.31:

categoryZ77
Other contact with and (suspected) exposures hazardous to health
View context instructions
blockZ77-Z99
Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
View context instructions

Code History

  • FY 2025: This code replaced Z77.3 (Contact with and (suspected) exposure to war theater)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Cross Reference

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