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Posterior Tibial Tendon Dysfunction is rated by the U.S. Department of Veterans Affairs under DC 5276 of 38 CFR § 4.71a, DC 5276 across 5 severity tiers (50% / 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.
Progressive degeneration of the posterior tibial tendon causing adult-acquired flat foot deformity, arch collapse, and inner ankle pain
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.