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Claim Situation

Sleep apnea and PTSD: "caused by" isn't the only way to win a secondary claim

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The situation

A Veteran service-connected for PTSD files for obstructive sleep apnea as secondary. The denial says the examiner found PTSD did not cause the apnea. Many Veterans stop there. They shouldn't, because causation is only half of the secondary rule.

The two ways a secondary claim can be granted

VA's secondary service connection rule, 38 CFR 3.310, covers two separate theories:

  • Caused by (3.310(a)): the service-connected condition brought on the new one.
  • Aggravated by (3.310(b)): the service-connected condition made the new one worse beyond its natural progress. VA can service-connect the added degree of disability.

An exam that answers only the first question leaves the second one open.

Why this matters for apnea

Apnea often has several contributors, so a flat "PTSD did not cause it" opinion is common. A complete medical opinion should also address whether PTSD, its treatment, or its effects on sleep have made the apnea worse, and explain the reasoning with reference to your records and medical literature.

What to check in your denial

  • Did the rating decision and exam address aggravation, or only causation?
  • Did the examiner give reasons, or just a conclusion?
  • Is there a baseline: how severe was the apnea before it got worse?

An opinion that skips aggravation may be inadequate. Options to challenge it include a Supplemental Claim with new evidence or a Higher-Level Review; see VA decision reviews.

Building the evidence

  • Sleep study results and CPAP or other treatment records.
  • Treatment notes describing sleep disruption, nightmares, or medication effects.
  • A private medical opinion that addresses both causation and aggravation, with reasons.
  • Statements from a spouse or partner about how your sleep has changed over time.

Related

Secondary claims · CPAP is not service connection · Nexus opinion red flags · Sleep apnea guide

Get free help

You never have to pay to file an initial VA claim. Free help: a VSO such as DAV, VFW or the American Legion, or a VA-accredited representative.

Educational only, not legal or medical advice. We are not VA-accredited. No one can promise an outcome; VA decides each claim on its own evidence. Rules and rates change; check the linked VA and eCFR sources.