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VHN

Glossary

Presumptive condition

A presumptive condition is a condition the VA presumes to be connected to service for Veterans who meet service requirements written into regulation. Where a presumption applies, the medical link between the condition and service does not have to be proved individually, because the regulation supplies that element. The presumptions are not gathered in one place. 38 CFR 3.307 and 3.309 carry the older families, herbicides among them. The burn pit and toxic exposure diseases are listed in the statute at 38 U.S.C. 1120 rather than in the regulation. Gulf War chronic disability sits at 38 CFR 3.317, and fine particulate matter has its own section at 38 CFR 3.320. Which family a condition falls under decides the service criteria that trigger it.

A presumption covers one element of a claim and leaves the others in place. The condition still has to be diagnosed, and the service criteria in the regulation, which can involve dates, locations, units, or documented exposures, still have to be established on the record. The VA decides whether both are met in a given case. A presumption can also be rebutted where affirmative evidence shows another cause, a rule set in the same part of the regulation.

A presumption addresses connection to service and says nothing about severity. Severity is evaluated on the medical record like any other condition, so a documented current diagnosis and documented functional limits still carry that half of the claim. Whether a presumption reaches a particular Veteran is claims work, decided with an accredited representative or VSO, and representation through a recognized VSO is free.

Last updated 2026-10-25.