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How Long Do I Have After Getting Out of the Military To File a Claim for PTSD?

There is no time limit for filing a VA disability claim for PTSD after leaving the military. You can submit a post-service claim years after discharge, although waiting longer may make gathering the necessary evidence more complicated.
Content Reviewed by: Matt Coveney
Last Modified Date: July 20, 2026
PTSD symptoms are not always recognized or diagnosed immediately after military service. Some veterans wait years before seeking treatment or connecting their symptoms to an in-service event. Although a delayed claim can still succeed, gaps in treatment and older evidence may make the process more complicated. This guide explains what to expect and how to prepare a well-supported PTSD claim.

Why There Is No Time Limit On PTSD Claims

The VA does not impose a deadline for filing a post-service disability claim. Whether you left active duty recently or decades ago, you can still file a claim for PTSD related to your military service. However, the VA notes that a claim may become more complicated the longer you wait because relevant medical and service records may be harder to obtain.

You also do not need to have received a PTSD diagnosis while on active duty. To qualify for VA disability compensation, you generally need a current PTSD diagnosis, evidence of an in-service traumatic event or stressor, and medical evidence connecting your symptoms to that stressor. The type of evidence you need may vary depending on whether the claim involves combat, military sexual trauma, personal assault, or another service-related event.

Why Can Waiting Too Long Make Your Claim Harder

Although there is no deadline, waiting years can make a PTSD claim harder to support. A long gap between separation and treatment may leave fewer medical records showing when symptoms began and how they progressed. If post-service events also affected your mental health, clearer evidence may be needed to connect your current PTSD to an in-service stressor.

Evidence of the stressor may also become harder to gather over time. Service records may be incomplete, and people who witnessed the event may be difficult to locate. The required evidence depends on the type of stressor. For example, claims involving personal assault or military sexual trauma may be supported by indirect evidence, including documented changes in behavior or work performance.

Waiting does not make a successful claim impossible. It simply makes it more important to gather relevant medical records, service documents, and supporting statements that help establish the connection between your PTSD and military service.

How To Protect Your Backpay?

If the VA grants service connection for PTSD, it assigns an effective date that determines when benefits begin. For a direct service-connected claim, the effective date is generally the later of the date the VA received the claim or the date the veteran first became eligible for benefits, known as the date entitlement arose. If the VA receives the claim within one year after separation from active service, the effective date may be as early as the day after separation.

If more than one year has passed and you are not ready to submit a complete claim, you can submit an Intent to File . This establishes a potential effective date while you gather medical records, personal statements, and other supporting evidence. You then have one year to complete and submit the claim. If the VA approves it, the Intent to File date may be used to calculate retroactive benefits. You can use a VA disability back pay calculator to estimate the compensation you may receive.

You can submit an Intent to File online, by phone, in person, or by mail using VA Form 21-0966.

When You Are Ready, Here’s What You Can Do

Filing a PTSD claim years after leaving the military may require additional evidence, especially when there are gaps in your medical records. These steps can help document your condition and connect it to your service.

  • Submit an Intent to File: If you are not ready to complete your claim, an Intent to File may preserve an earlier potential effective date while you gather supporting evidence. You must submit the completed claim within one year.
  • Seek a PTSD evaluation: Speak with a qualified mental health professional about your symptoms and whether you meet the criteria for a PTSD diagnosis.
  • Complete the PTSD stressor form: Use VA Form 21-0781 to provide information about the in-service traumatic event connected to your mental health condition. This form now covers PTSD claims involving combat, accidents, personal assault, and military sexual trauma.
  • Gather lay or witness statements: Family members, friends, or people who served with you may submit VA Form 21-10210 describing changes or symptoms they personally observed. These statements are sometimes called buddy statements.

Take the Next Step With Your PTSD Claim

If the VA has denied your PTSD claim, you may still have options to challenge the decision. Contact us to learn more about the appeals process and the next steps available in your case.

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Matt is a VA-accredited attorney who co-founded NAVDA in 2023. Matt has helped veterans with the VA disability appeals process since he became accredited in 2021.