Is Z77.31 a billable code?
Yes. Z77.31 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
Z77.31: Contact with and (suspected) exposure to Gulf War theater
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
Z77.31 is a billable ICD-10-CM diagnosis code for contact with and (suspected) exposure to gulf war theater. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with Z77.31 already added.Good Faith EstimateStart a cost estimate with Z77.31 already added.CMS-1500 Claim FormFill a claim form with Z77.31 in box 21.
Other codes in Z77.3 Contact with and (suspected) exposure to war theater
Z77.31 questions
What does Z77.31 mean?
Z77.31 is the ICD-10-CM code for Contact with and (suspected) exposure to Gulf War theater. It is in chapter 22, Factors influencing health status and contact with health services (Z00-Z99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.