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Thumb Amputation is rated by the U.S. Department of Veterans Affairs under DC 5152 of 38 CFR § 4.71a, DC 5152 across 3 severity tiers (40% / 30% / 20%). 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.
Amputation of the thumb at various levels, causing significant loss of grip, pinch, and hand function
Rating criteria text quoted verbatim from 38 C.F.R. § 4.71a (Musculoskeletal system). Source verified 2026-05-27 by ClaimRecon Editorial Team against the Cornell Law CFR mirror; eCFR.gov is the authoritative government source.