Conditions/Infectious Diseases

Gulf War Illness / Undiagnosed Illness

Diagnostic Code 6399Infectious Diseases

Chronic undiagnosed illness or medically unexplained symptoms in Gulf War veterans. Includes chronic fatigue, widespread musculoskeletal pain, cognitive symptoms, and gastrointestinal dysfunction. Rated by analogy based on functional impairment.

VA Rating Criteria (38 CFR)
general%

Rated by analogy based on the body system most affected and degree of functional impairment. No specific diagnosis required for Gulf War veterans who served in Southwest Asia after August 2, 1990.

Evidence You'll Need

Medical Evidence

Current diagnosis from a qualified healthcare provider, medical records documenting symptoms and treatment history

Service Connection

Evidence linking your condition to military service (service treatment records, incident reports, or nexus letter)

Personal Statement

Your detailed account of how gulf war illness / undiagnosed illness affects your daily life and when symptoms began

Lay Evidence

Buddy letters from fellow service members or family who can corroborate your symptoms

C&P Exam Tips Preview

During your Compensation & Pension exam for gulf war illness / undiagnosed illness, examiners will assess your symptoms against the rating criteria above.

Be specific: Describe your worst day, not your average day

Document everything: Bring copies of all medical records and evidence

Functional impact: Explain how symptoms affect work, sleep, and daily activities

Ready to Build Your Claim for Gulf War Illness / Undiagnosed Illness?

Use ClaimDuty AI to generate a personalized statement, gather evidence, and prepare for your C&P exam.

Scout

VA Claims Assistant

Hey! I'm Scout, your VA claims assistant. I can help with questions about conditions, ratings, secondary connections, C&P exams, and more. What can I help you with?

Powered by ClaimDuty AI · Not legal or medical advice