VA Disability Rating for Parasitic Diseases (DC 6320)

Diagnostic Code 6320 · 38 CFR §4.88b

What Is It?

This is a catch-all for parasitic infections without their own diagnostic code. The VA uses the General Rating Formula: active disease at 100 percent, and residual organ damage rated under appropriate body system codes.

Rating Criteria

Rating	Criteria
100%	Active parasitic infection confirmed by lab testing with symptoms requiring treatment.
0%	Successfully treated. Residual organ damage is rated under affected body system codes.

Evidence Needed

Stool examination, blood tests, or biopsy confirming the parasite. Deployment records to endemic areas. Treatment records. Documentation of chronic symptoms. Follow-up testing.

Frequently Asked Questions

Can parasitic infections persist for years?

Yes. Many parasites, particularly Strongyloides stercoralis, can maintain chronic infections for decades through auto-infection.

What if I cannot identify the specific parasite?

While identifying the organism strengthens the claim, the VA can rate based on documented symptoms, exposure history, and treatment response.