Fibromyalgia
DC 5025 §4.71a Musculoskeletal — Other ICD-10: M79.7 DirectPresumptive Gulf War undiagnosed illness (deadline 12/31/2026)
Gulf War presumptive. Widespread pain.
VA rating criteria
| Rating | Criteria |
|---|---|
| 40% | Symptoms that are constant, or nearly so, and refractory to therapy |
| 20% | Episodic, with exacerbations often precipitated by environmental or emotional stress or by overexertion, but that are present more than one-third of the time |
| 10% | Requires continuous medication for control |
Filing this claim
If you have qualifying service for the Gulf War undiagnosed illness (deadline 12/31/2026) presumption, you don't need a nexus letter — file as a primary claim with proof of qualifying service and your current diagnosis. Use the letter generators to draft your nexus letter and Statement in Support of Claim.
Step by step
- File an Intent to File (Form 21-0966) to lock your effective date.
- Confirm you have a current medical diagnosis in a medical record.
- Gather proof of qualifying service (DD-214, deployment records, etc.) — no nexus letter needed.
- Write a Statement in Support of Claim (21-4138).
- If applicable, gather buddy statements (21-10210).
- File the formal 21-526EZ.
Source: 38 CFR §4.71a. For exact regulatory language, consult eCFR Title 38. This is general education — for your specific case, consult a VA-accredited representative.