Primary service-connected condition

DC 5261 — Leg, limitation of extension of

Also known as: knee pain, Leg, limited knee extension, cant straighten knee, knee extension, locked knee

Mapped secondary conditions
7

These are commonly claimed secondary connections linked to this primary disability. Use them as a screening tool for conversations with your doctor, VSO, or VA-accredited attorney.

Primary Secondary

Leg, limitation of extension of Degenerative arthritis, other than post-traumatic

5003
Strong

How the connection is commonly explained

Chronic knee dysfunction can lead to degenerative arthritis over time.

Filing tip

Ask your doctor to clearly state that the secondary condition is at least as likely as not caused or aggravated by the primary service-connected condition. For this pairing, ask the provider to explain how leg, limitation of extension led to or worsened degenerative arthritis, other than post-traumatic.

Relationship type: Caused by
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Primary Secondary

Leg, limitation of extension of Knee, other impairment of

5257
Strong

How the connection is commonly explained

Favoring one knee often overloads the opposite knee.

Filing tip

Ask your doctor to clearly state that the secondary condition is at least as likely as not caused or aggravated by the primary service-connected condition. For this pairing, ask the provider to explain how leg, limitation of extension led to or worsened knee, other impairment.

Relationship type: Aggravated by
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Primary Secondary

Leg, limitation of extension of Lumbosacral or cervical strain

5237
Strong

How the connection is commonly explained

Limitation of knee extension commonly causes limping and abnormal mechanics that strain the lower back.

Filing tip

Ask your doctor to clearly state that the secondary condition is at least as likely as not caused or aggravated by the primary service-connected condition. For this pairing, ask the provider to explain how leg, limitation of extension led to or worsened lumbosacral or cervical strain.

Relationship type: Caused by
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Primary Secondary

Leg, limitation of extension of Thigh, limitation of flexion of

5252
Strong

How the connection is commonly explained

Compensating for poor knee extension shifts load to the hips.

Filing tip

Ask your doctor to clearly state that the secondary condition is at least as likely as not caused or aggravated by the primary service-connected condition. For this pairing, ask the provider to explain how leg, limitation of extension led to or worsened thigh, limitation of flexion.

Relationship type: Caused by
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Primary Secondary

Leg, limitation of extension of Ankle, limited motion of

5271
Moderate

How the connection is commonly explained

Changes in gait from knee dysfunction commonly place extra stress on the ankle.

Filing tip

A nexus letter and treatment records explaining the progression from the primary condition to the secondary condition can make a big difference. For this pairing, ask the provider to explain how leg, limitation of extension led to or worsened ankle, limited motion.

Relationship type: Caused by
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Primary Secondary

Leg, limitation of extension of Flatfoot, acquired

5276
Moderate

How the connection is commonly explained

Abnormal gait from limited knee extension can alter foot mechanics.

Filing tip

A nexus letter and treatment records explaining the progression from the primary condition to the secondary condition can make a big difference. For this pairing, ask the provider to explain how leg, limitation of extension led to or worsened flatfoot, acquired.

Relationship type: Caused by
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Primary Secondary

Leg, limitation of extension of Major depressive disorder

9434
Moderate

How the connection is commonly explained

Chronic pain and reduced function contribute to depression.

Filing tip

A nexus letter and treatment records explaining the progression from the primary condition to the secondary condition can make a big difference. For this pairing, ask the provider to explain how leg, limitation of extension led to or worsened major depressive disorder.

Relationship type: Caused by
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How to File a Secondary Claim

1. Have your primary condition already service-connected.
2. Get diagnosed with the secondary condition.
3. Get a nexus letter from a doctor linking them.
4. File VA Form 21-526EZ and select the claim as a secondary claim.
5. Attend the C&P exam if one is scheduled.

Disclaimer: Secondary connections shown are based on commonly established medical links. Individual claims require medical evidence. Consult a VSO or VA-accredited attorney.