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Secondary Condition Claim · VASRD 8528

Common Peroneal Nerve Paralysis Secondary to Muscle Group XII (Leg/Foot)

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 Muscle Group XII (Leg/Foot).

Why Common Peroneal Nerve Paralysis Is Linked to Muscle Group XII (Leg/Foot)

Anatomical connection

Primary condition · VASRD 5312

Muscle Group XII (Leg/Foot)

Involves muscles at the front of the lower leg, helping with dorsiflexion (lifting foot).

Secondary condition · VASRD 8528

Common Peroneal Nerve Paralysis

Paralysis or weakness in the lower leg affecting foot lift (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 Muscle Group XII (Leg/Foot) — severity of Common Peroneal Nerve Paralysis itself determines the percentage.

RatingCriteria
40%Foot drop, cannot lift foot
30%Weak lift, major mobility issues
20%Some weakness, altered gait
10%Minor weakness or numbness

Example combined rating

10% Muscle Group XII (Leg/Foot) + 30% Common Peroneal Nerve Paralysis = 37%

The VA combines ratings with Table I of 38 CFR 4.25, not simple addition — 10% and 30% combine to 37%, not 40%. These figures are illustrative; your actual rating for each condition depends on your own evaluation.

Evidence for a Common Peroneal Nerve Paralysis Secondary Claim

  • EMG report
  • Neuro or ortho consultation

Common questions about Common Peroneal Nerve Paralysis secondary to Muscle Group XII (Leg/Foot)

Can Common Peroneal Nerve Paralysis be service-connected as secondary to Muscle Group XII (Leg/Foot)?
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. Anatomical connection You'll need a current Common Peroneal Nerve Paralysis diagnosis and a medical nexus opinion linking it to your service-connected Muscle Group…
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 Muscle Group XII (Leg/Foot).
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 10% rating for Muscle Group XII (Leg/Foot) combined with a 30% rating for Common Peroneal Nerve Paralysis (example figures) produces a combined rating of 37%, not 40%. Approving Common Peroneal Nerve Paralysis as secondar…
What evidence do I need to service-connect Common Peroneal Nerve Paralysis as secondary to Muscle Group XII (Leg/Foot)?
Strong evidence for the underlying Common Peroneal Nerve Paralysis diagnosis includes: EMG report; Neuro or ortho consultation. For the secondary link itself, a nexus letter from a treating provider explaining how Muscle Group XII (Leg/Foot) caused or aggravated Common Peroneal Nerve Paralysis is typically the decidin…

Primary condition

Full Muscle Group XII (Leg/Foot) guide

Secondary condition

Full Common Peroneal Nerve Paralysis guide

Estimate your combined rating

See how Muscle Group XII (Leg/Foot) and Common Peroneal Nerve Paralysis combine with the rest of your service-connected conditions using the official VA combined-ratings formula.

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