How do I prove PTSD to VAC?
2 min readAdvancedDetailed policy explanations and benefit interactions.
VAC needs three things: a diagnosis from a qualified professional, evidence that links the condition to service, and evidence of the impact on your daily life.
VAC does not require you to prove that a specific event caused PTSD on your own. What they need is:
1. A diagnosis — from a psychiatrist, psychologist, or your family doctor who can refer you to one. The diagnosis must use recognized diagnostic criteria.
2. A link to service — evidence that the events causing PTSD occurred during your military service. This can include unit records, deployment records, witness statements, or your own service records. VAC may also accept a statement from you describing what happened.
3. Functional impact — how PTSD affects your daily life. This includes sleep, relationships, work, concentration, and other activities. Your healthcare provider documents this.
You do not need to have reported the events at the time they happened. You do not need a specific diagnosis code. You do need to be honest and thorough in describing what you experience.
If your claim is denied, you have the right to request a review and then an appeal through the Veterans Review and Appeal Board.
Why This Matters
Strong evidence is the foundation of a successful claim. Without it, even eligible conditions can be denied.
Who This Applies To
Veterans and serving members with operational stress injuries, including PTSD.
Example Scenario
Jordan served multiple tours and experienced sleep problems, hypervigilance, and difficulty in crowds for years before seeking help. Jordan's psychologist diagnosed PTSD and documented the impact on daily functioning. Jordan submitted a VAC application with the diagnosis, a personal statement describing service events, and the psychologist's functional impact report. VAC approved the claim.
This example is for educational purposes only. Individual circumstances vary, and outcomes depend on specific facts, medical evidence, and program rules.
Common Misconception
Many veterans think they need to prove a single traumatic event. VAC also recognizes cumulative operational stress — the build-up of repeated exposure to difficult situations over time.
Related Benefits
Related Downloads
Related Claim Tools
Related Glossary Terms
PTSDOSIFunctional Impact
Related Knowledge Articles
What Should I Do Next?
Talk to a healthcare provider about your symptoms. Gather any service records that show where and when you served. Submit a VAC application through My VAC Account.
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Last reviewed: July 23, 2026·Next review: January 23, 2027
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