Secondary Condition Claim · VASRD 5316

Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) Secondary to Limitation of Flexion of the Leg (Knee)

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 Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) when it develops after Limitation of Flexion of the Leg (Knee).

Why Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) Is Linked to Limitation of Flexion of the Leg (Knee)

Limited movement leads to disuse of upper leg muscles.

Primary condition · VASRD 5260

Limitation of Flexion of the Leg (Knee)

Loss of knee flexion makes it difficult to squat, sit, or use stairs.

Secondary condition · VASRD 5316

Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus)

Injury to the deep muscles that lift the thigh toward the chest — the psoas, iliacus and pectineus.

Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) VA Rating Tiers

The VA rates Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) the same way whether it's claimed directly or as secondary to Limitation of Flexion of the Leg (Knee) — severity of Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) itself determines the percentage.

RatingCriteria
40%Severe damage to the hip flexor muscles.
30%Moderately severe damage to the hip flexor muscles.
10%Moderate damage to the hip flexor muscles — the next step up under this code is 30 percent.
0%Slight damage — service-connected, but below the level the schedule pays for.

Example combined rating

10% Limitation of Flexion of the Leg (Knee) + 30% Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) = 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.

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Evidence for a Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) Secondary Claim

  • An orthopedic exam documenting the muscle injury.
  • Physical therapy records tracking strength and function.
  • MRI imaging showing the extent of muscle involvement.

Common questions about Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) secondary to Limitation of Flexion of the Leg (Knee)

Can Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) be service-connected as secondary to Limitation of Flexion of the Leg (Knee)?
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. Limited movement leads to disuse of upper leg muscles. You'll need a current Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) diagnosis and a medical nex…
What VA rating can I get for Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) as a secondary condition?
Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) is rated under VASRD diagnostic code 5316 using the same criteria whether it's a direct or secondary claim: possible ratings are 40%, 30%, 10%, 0%. The rating depends on the severity of Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) itself, not on…
How does a secondary Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) 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 Limitation of Flexion of the Leg (Knee) combined with a 30% rating for Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) (example figures) produces a combined rating of 37%, not 40%. Approving Musc…
What evidence do I need to service-connect Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) as secondary to Limitation of Flexion of the Leg (Knee)?
Strong evidence for the underlying Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) diagnosis includes: An orthopedic exam documenting the muscle injury.; Physical therapy records tracking strength and function.; MRI imaging showing the extent of muscle involvement.. For the secondary link itself, a nexus le…

Primary condition

Full Limitation of Flexion of the Leg (Knee) guide

Secondary condition

Full Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) guide

Estimate your combined rating

See how Limitation of Flexion of the Leg (Knee) and Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) combine with the rest of your service-connected conditions using the official VA combined-ratings formula.

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