Ankle Strain/Instability is rated by the U.S. Department of Veterans Affairs under DC 5271 of 38 CFR § 4.71a, DC 5271 across 2 severity tiers (10% / 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. This condition is frequently rated as secondary to Knee Condition or Hip Condition under 38 C.F.R. § 3.310.
Chronic ankle pain and instability from repeated sprains or ligament damage, causing limited dorsiflexion and plantar flexion
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.