Knee injuries follow a lot of veterans out of service. Rucking, jumping, running on hard surfaces, and direct impact all take a toll. Knee conditions are among the most-claimed VA disabilities. This guide covers how the VA rates them and what a nexus letter needs to establish.
How the VA rates knee conditions
The knee is rated under several diagnostic codes depending on the problem:
- DC 5257 for recurrent instability or subluxation (the knee giving out)
- DC 5260 for limitation of flexion (how far you can bend it)
- DC 5261 for limitation of extension (how far you can straighten it)
Because different aspects of a knee problem fall under different codes, some veterans can receive more than one rating for the same knee, for example instability plus limitation of motion, when the criteria are met separately.
Why range of motion and instability both matter
Two things drive knee ratings: how the joint moves and how stable it is.
- Range of motion: have your provider measure flexion and extension in degrees, and document painful motion.
- Instability: document episodes of the knee giving out, locking, or requiring a brace.
As with the spine, flare-ups and painful motion count. Do not describe only your best day.
Connecting the knee to service
If your records show the injury, the connection may be direct. When they do not, a nexus letter:
- Reviews your service records and duties that stressed the knee
- Explains how the in-service injury or repetitive strain led to your current condition
- States the opinion in VA terms ("at least as likely as not")
Knees rarely fail in isolation
A bad knee changes how you walk, which loads the hip, the back, and the other knee. Those are common secondary claims. If one knee is service-connected, it is worth asking a provider whether the downstream damage connects too.
A real-world example
A veteran tore up a knee during a training jump, treated it as routine, and never claimed it. Years later both the original knee and the opposite hip were failing from years of compensating. A provider connected the knee to service and the hip as secondary to the altered gait.