Top 5 VA Secondary Condition Pairings

Approval rates and key evidence requirements (2026 data)

67% Approval

Sleep Apnea ← PTSD

PTSD causes hypervigilance and fragmented sleep. Veterans with PTSD are 3-4x more likely to develop OSA.

Avg rating: 50% Needs: sleep study + nexus Rating change proposed
63% Approval

Depression/Anxiety ← Chronic Pain

Chronic pain is one of the strongest predictors of depression. Works both ways: mental health conditions can cause physical secondaries too.

Rating: 0-100% Needs: MH diagnosis + nexus
High Approval

Radiculopathy ← Back/Neck Injury

Spinal conditions compress nerves, causing pain and numbness in extremities. Rated separately per affected limb.

Rating: 10-70% per limb Needs: MRI + neuro exam
Med Approval

GERD ← Medications (NSAIDs, SSRIs)

Medications for service-connected conditions damage stomach lining. This is a medication side-effect secondary claim.

Rating: 0-80% Needs: Rx records + nexus
Med Approval

Migraines ← TBI or Cervical Spine

47% of veterans with migraines also have depression. TBI disrupts neurological function and triggers chronic headaches.

Rating: 0-50% Needs: headache log + nexus
73%
of secondary claims fail from weak evidence, not bad law
A nexus letter ($500-$1,500) is the single biggest factor in approval

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Approval rates from veteran advocacy sources. The VA does not publish official secondary-specific approval data. All compensation rates use 2026 VA disability tables (2.8% COLA).