T75.830 — Gulf war illness
Is T75.830 billable?
No — T75.830 is a non-billable header code. T75.830 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath T75.830.
Billable codes under this header
T75.830 at a glance
| Code | T75.830 |
|---|---|
| Description | Gulf war illness |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is T75.830 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to T75.830. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Illness › Gulf war
- Syndrome › Gulf war
Inclusion terms
Alternative wording in documentation that is classified to T75.830.
- Gulf war syndrome
Excludes1 — never code together — inherited from T75
The conditions below can never be reported together with T75.830 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- adverse effects NEC (T78.-)
Use additional code — inherited from Chapter 19
Report an additional code alongside T75.830 to fully describe the condition. T75.830 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T75.83
Report an additional code alongside T75.830 to fully describe the condition. T75.830 is sequenced first.
- code to identify associated manifestations
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T75.830, but a patient may have both at the same time. When documentation supports it, T75.830 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T75
The conditions below are not part of T75.830, but a patient may have both at the same time. When documentation supports it, T75.830 and the excluded code may both be reported.
- burns (electric) (T20-T31)
Code also — inherited from T66-T78
Two codes may be needed to describe the condition fully. Whether T75.830 is sequenced first depends on the reason for the encounter.
- , if applicable, place of occurrence, such as:
- highway rest stop (Y92.523)
- school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
- service areas as the place of occurrence of the external cause (Y92.52-)
- single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
- transport vehicle as the place of occurrence of the external cause (Y92.81-)
What codes fall under T75.830? (3)
How long has T75.830 existed?
T75.830 first appears in FY2026.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.