Secondary Condition Claim · VASRD 5316
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).
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.
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.
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.
Get the rating criteria for Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus), the evidence a secondary claim needs, and why it is linked to Limitation of Flexion of the Leg (Knee) — delivered to your inbox.
Primary condition
Full Limitation of Flexion of the Leg (Knee) guide
Secondary condition
Full Muscle Group XVI - Hip Flexors (Psoas, Iliacus, Pectineus) guide
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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