VA Radiculopathy Claim Guide
How to claim radiculopathy as secondary to a service-connected back condition, how the VA rates nerve involvement by severity, and the evidence that documents it clearly.
Radiculopathy is rated under diagnostic codes 8520–8530 depending on the affected nerve, using a severity scale of mild, moderate, moderately severe, or severe. It is most commonly claimed as secondary to a service-connected back condition and rated separately for each leg.
Radiculopathy is the single most-missed secondary claim among veterans with a service-connected back condition. Each affected leg is rated separately and can meaningfully increase a combined rating — yet most veterans only ever file for the back itself and never mention the nerve symptoms radiating down their legs.
Proving Service Connection
You need a current diagnosis, evidence of an in-service event or onset, and a medical nexus tying the two. Many veterans miss the third piece.
How It's Rated
Sciatic Nerve Ratings
- 10% — mild incomplete paralysis
- 20% — moderate incomplete paralysis
- 40% — moderately severe incomplete paralysis
- 60% — severe incomplete paralysis with marked muscular atrophy
- 80% — complete paralysis of the affected nerve
Already service-connected for your back but never checked for radiculopathy?
Review Your Back Pain Rating GuideEvidence That Helps
- EMG/NCV (nerve conduction) studies confirming nerve involvement and severity
- Treatment records documenting nerve symptoms over time
- Imaging confirming nerve root impingement (MRI typically)
- A description of specific symptoms — numbness, tingling, weakness, shooting pain — and how they've progressed
Which Nerve Is Actually Involved Matters
Radiculopathy can affect different nerves depending on which spinal level is impinged — most commonly the sciatic nerve for lower back conditions, but sometimes the femoral or other nerves depending on the specific injury. Getting the correct diagnostic code applied requires imaging and EMG results that identify the specific nerve root involved, not just a general 'sciatica' diagnosis.
Filing With Your Back Claim, Not After
Radiculopathy is easiest to document and win when filed alongside the original back claim rather than added later, since the same imaging and exam often address both conditions in one C&P cycle. If you're already service-connected for a back condition and have nerve symptoms you never claimed, a Supplemental Claim can add radiculopathy retroactively — but it's worth doing sooner rather than later.
Frequently asked questions
Conclusion
If you have a current diagnosis and an in-service link, a radiculopathy claim is worth filing. Educational only. Not legal advice.
Already service-connected for your back but never checked for radiculopathy?
Review Your Back Pain Rating Guide