Knee Strain/Instability is rated by the U.S. Department of Veterans Affairs under DC 5257 of 38 CFR § 4.71a, DC 5257 across 4 severity tiers (0% / 10% / 20% / 30%). 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 Hip Condition - Right or Hip Condition - Left under 38 C.F.R. § 3.310.
Knee pain with recurrent subluxation or lateral instability causing giving way, buckling, and limited weight-bearing ability
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.