Secondary Condition Claim · VASRD 8528
Common Peroneal Nerve Paralysis Secondary to Posterior Tibial Nerve Paralysis
A condition caused or aggravated by an already service-connected disability can be granted its own service connection as a secondary condition under 38 CFR § 3.310. Here's how that works for Common Peroneal Nerve Paralysis when it develops after Posterior Tibial Nerve Paralysis.
Why Common Peroneal Nerve Paralysis Is Linked to Posterior Tibial Nerve Paralysis
Loss of nerve control
Primary condition · VASRD 8524
Posterior Tibial Nerve Paralysis
The posterior tibial nerve runs down the back of the calf and controls movement and sensation in the foot and toes. Damage to this nerve can cause numbness, tingling, weakness, or in severe cases the foot becoming fixed in a downward (plantar flexed) position, and it's most often linked to a specific leg injury or surgery.
Secondary condition · VASRD 8528
Common Peroneal Nerve Paralysis
The common peroneal nerve is the modern anatomical name for what's also historically called the external popliteal nerve, so this code covers the same nerve responsible for lifting the foot (dorsiflexion) and is closely related to codes using that older terminology. Damage here is a common cause of foot drop.
Common Peroneal Nerve Paralysis VA Rating Tiers
The VA rates Common Peroneal Nerve Paralysis the same way whether it's claimed directly or as secondary to Posterior Tibial Nerve Paralysis — severity of Common Peroneal Nerve Paralysis itself determines the percentage.
Example combined rating
20% Posterior Tibial Nerve Paralysis + 30% Common Peroneal Nerve Paralysis = 44%
The VA combines ratings with Table I of 38 CFR 4.25, not simple addition — 20% and 30% combine to 44%, not 50%. These figures are illustrative; your actual rating for each condition depends on your own evaluation.
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Evidence for a Common Peroneal Nerve Paralysis Secondary Claim
- •An EMG report confirming the nerve damage.
- •A neurology or orthopedic consultation assessing the injury.
Common questions about Common Peroneal Nerve Paralysis secondary to Posterior Tibial Nerve Paralysis
- Can Common Peroneal Nerve Paralysis be service-connected as secondary to Posterior Tibial Nerve Paralysis?
- Yes. Under 38 CFR § 3.310, a condition that is caused or aggravated by an already service-connected disability can be granted secondary service connection. Loss of nerve control You'll need a current Common Peroneal Nerve Paralysis diagnosis and a medical nexus opinion linking it to your service-connected Posterior Ti…
- What VA rating can I get for Common Peroneal Nerve Paralysis as a secondary condition?
- Common Peroneal Nerve Paralysis is rated under VASRD diagnostic code 8528 using the same criteria whether it's a direct or secondary claim: possible ratings are 40%, 30%, 20%, 10%. The rating depends on the severity of Common Peroneal Nerve Paralysis itself, not on the severity of Posterior Tibial Nerve Paralysis.
- How does a secondary Common Peroneal Nerve Paralysis claim affect my combined VA rating?
- The VA doesn't add ratings together. Using the official combined-ratings formula (38 CFR 4.25): a 20% rating for Posterior Tibial Nerve Paralysis combined with a 30% rating for Common Peroneal Nerve Paralysis (example figures) produces a combined rating of 44%, not 50%. Approving Common Peroneal Nerve Paralysis as sec…
- What evidence do I need to service-connect Common Peroneal Nerve Paralysis as secondary to Posterior Tibial Nerve Paralysis?
- Strong evidence for the underlying Common Peroneal Nerve Paralysis diagnosis includes: An EMG report confirming the nerve damage.; A neurology or orthopedic consultation assessing the injury.. For the secondary link itself, a nexus letter from a treating provider explaining how Posterior Tibial Nerve Paralysis caused…
Primary condition
Full Posterior Tibial Nerve Paralysis guide
Secondary condition
Full Common Peroneal Nerve Paralysis guide
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