Burning Mouth Syndrome is rated by the U.S. Department of Veterans Affairs under DC 8205 of 38 CFR § 4.124a, DC 8205 / 8305 / 8405 (by analogy as trigeminal sensory neuropathy — DC 9916 is now "Maxilla malunion" post-2017 amendment) across 4 severity tiers (30% / 20% / 10% / 0%). Service connection requires (1) a current diagnosis, (2) an in-service event, injury, or exposure, and (3) a medical nexus opinion linking the two under 38 C.F.R. § 3.303.
Chronic burning sensation in the mouth without an identifiable cause. Affects the tongue, gums, lips, palate, or entire mouth. Often associated with dry mouth, taste changes, and medication side effects. More common in post-menopausal women and veterans on multiple medications.
Rating criteria reference 38 C.F.R. Part 4 (Schedule for Rating Disabilities). This entry has not yet undergone editorial review against the live regulation text — consult the authoritative source directly before relying on the criteria shown.