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Secondary Condition Claim · VASRD 5271

Ankle, Limitation of Motion Secondary to Deep Peroneal 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 Ankle, Limitation of Motion when it develops after Deep Peroneal Nerve Paralysis.

Why Ankle, Limitation of Motion Is Linked to Deep Peroneal Nerve Paralysis

Weakness reduces control

Primary condition · VASRD 8523

Deep Peroneal Nerve Paralysis

The deep peroneal nerve controls the muscles that lift the foot and toes upward (dorsiflexion), and damage to it causes weakness or paralysis distinct from the more commonly discussed external popliteal (common peroneal) nerve. Because these nerve branches are frequently confused in medical records, clearly identifying the deep branch specifically matters for this claim.

Secondary condition · VASRD 5271

Ankle, Limitation of Motion

Reduced ability to flex or extend the ankle, usually due to injury or arthritis.

Ankle, Limitation of Motion VA Rating Tiers

The VA rates Ankle, Limitation of Motion the same way whether it's claimed directly or as secondary to Deep Peroneal Nerve Paralysis — severity of Ankle, Limitation of Motion itself determines the percentage.

RatingCriteria
20%Severe stiffness, almost no movement
10%Partial loss of motion

Example combined rating

20% Deep Peroneal Nerve Paralysis + 10% Ankle, Limitation of Motion = 28%

The VA combines ratings with Table I of 38 CFR 4.25, not simple addition — 20% and 10% combine to 28%, not 30%. These figures are illustrative; your actual rating for each condition depends on your own evaluation.

Evidence for a Ankle, Limitation of Motion Secondary Claim

  • An orthopedic exam specifically documenting range-of-motion measurements.
  • X-rays or an MRI showing the underlying cause of the limitation.

Common questions about Ankle, Limitation of Motion secondary to Deep Peroneal Nerve Paralysis

Can Ankle, Limitation of Motion be service-connected as secondary to Deep Peroneal 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. Weakness reduces control You'll need a current Ankle, Limitation of Motion diagnosis and a medical nexus opinion linking it to your service-connected Deep Peroneal…
What VA rating can I get for Ankle, Limitation of Motion as a secondary condition?
Ankle, Limitation of Motion is rated under VASRD diagnostic code 5271 using the same criteria whether it's a direct or secondary claim: possible ratings are 20%, 10%. The rating depends on the severity of Ankle, Limitation of Motion itself, not on the severity of Deep Peroneal Nerve Paralysis.
How does a secondary Ankle, Limitation of Motion 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 Deep Peroneal Nerve Paralysis combined with a 10% rating for Ankle, Limitation of Motion (example figures) produces a combined rating of 28%, not 30%. Approving Ankle, Limitation of Motion as secondary stil…
What evidence do I need to service-connect Ankle, Limitation of Motion as secondary to Deep Peroneal Nerve Paralysis?
Strong evidence for the underlying Ankle, Limitation of Motion diagnosis includes: An orthopedic exam specifically documenting range-of-motion measurements.; X-rays or an MRI showing the underlying cause of the limitation.. For the secondary link itself, a nexus letter from a treating provider explaining how Deep Pero…

Primary condition

Full Deep Peroneal Nerve Paralysis guide

Secondary condition

Full Ankle, Limitation of Motion guide

Estimate your combined rating

See how Deep Peroneal Nerve Paralysis and Ankle, Limitation of Motion combine with the rest of your service-connected conditions using the official VA combined-ratings formula.

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