Hashimoto's Thyroiditis is rated by the U.S. Department of Veterans Affairs under DC 7903 of 38 CFR § 4.119, DC 7903 across 2 severity tiers (30% / 100%). 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.
Autoimmune disorder where the immune system attacks the thyroid gland, gradually destroying it. The most common cause of hypothyroidism. Rated under hypothyroidism criteria as it typically results in an underactive thyroid.
Rating criteria text quoted verbatim from 38 C.F.R. § 4.119 (Endocrine system). Source verified 2026-05-15 by ClaimRecon Editorial Team against the Cornell Law CFR mirror; eCFR.gov is the authoritative government source.