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Secondary Condition Claim · VASRD 5033

Malunion of Femur or Tibia Secondary to Knee, Ankylosis

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 Malunion of Femur or Tibia when it develops after Knee, Ankylosis.

Why Malunion of Femur or Tibia Is Linked to Knee, Ankylosis

Muscle imbalance

Primary condition · VASRD 5256

Knee, Ankylosis

Knee is stiff or frozen in one position due to injury, arthritis, or surgery.

Secondary condition · VASRD 5033

Malunion of Femur or Tibia

A fracture of the thigh or shin bone that healed incorrectly, impacting knee or ankle use.

Malunion of Femur or Tibia VA Rating Tiers

The VA rates Malunion of Femur or Tibia the same way whether it's claimed directly or as secondary to Knee, Ankylosis — severity of Malunion of Femur or Tibia itself determines the percentage.

RatingCriteria
30%Badly healed thigh or shin bone limits your walking or movement.
20%Healed leg bone affects how well your leg bends or bears weight.
10%Minor leg issue from fracture that doesn’t affect you much.

Example combined rating

40% Knee, Ankylosis + 20% Malunion of Femur or Tibia = 52%

The VA combines ratings with Table I of 38 CFR 4.25, not simple addition — 40% and 20% combine to 52%, not 60%. These figures are illustrative; your actual rating for each condition depends on your own evaluation.

Evidence for a Malunion of Femur or Tibia Secondary Claim

  • X-rays showing the specific misalignment.
  • Gait analysis or an orthopedic range-of-motion test.
  • A VA or private orthopedic consultation assessing the functional impact.

Common questions about Malunion of Femur or Tibia secondary to Knee, Ankylosis

Can Malunion of Femur or Tibia be service-connected as secondary to Knee, Ankylosis?
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. Muscle imbalance You'll need a current Malunion of Femur or Tibia diagnosis and a medical nexus opinion linking it to your service-connected Knee, Ankylosis — the…
What VA rating can I get for Malunion of Femur or Tibia as a secondary condition?
Malunion of Femur or Tibia is rated under VASRD diagnostic code 5033 using the same criteria whether it's a direct or secondary claim: possible ratings are 30%, 20%, 10%. The rating depends on the severity of Malunion of Femur or Tibia itself, not on the severity of Knee, Ankylosis.
How does a secondary Malunion of Femur or Tibia claim affect my combined VA rating?
The VA doesn't add ratings together. Using the official combined-ratings formula (38 CFR 4.25): a 40% rating for Knee, Ankylosis combined with a 20% rating for Malunion of Femur or Tibia (example figures) produces a combined rating of 52%, not 60%. Approving Malunion of Femur or Tibia as secondary still typically rais…
What evidence do I need to service-connect Malunion of Femur or Tibia as secondary to Knee, Ankylosis?
Strong evidence for the underlying Malunion of Femur or Tibia diagnosis includes: X-rays showing the specific misalignment.; Gait analysis or an orthopedic range-of-motion test.; A VA or private orthopedic consultation assessing the functional impact.. For the secondary link itself, a nexus letter from a treating prov…

Primary condition

Full Knee, Ankylosis guide

Secondary condition

Full Malunion of Femur or Tibia guide

Estimate your combined rating

See how Knee, Ankylosis and Malunion of Femur or Tibia combine with the rest of your service-connected conditions using the official VA combined-ratings formula.

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