File before you take the uniform off
If you are separating from the military, one move worth planning for is to file your VA disability claim before your last day. The program that lets you do it is called Benefits Delivery at Discharge, or BDD. It exists so that your claim can be worked while you are still serving, instead of starting from zero after you become a civilian. This guide covers the exact window, the exam rule, who is included, and what happens if you are too close to your separation date.
Timing is the whole game here. The same claim filed a few months apart can mean the difference between a claim already in development at separation and a longer wait that starts from zero after you have hung up the uniform. Understanding the window, and the rules attached to it, lets you use it on purpose instead of missing it by accident.
What BDD is
BDD is a pre-discharge path for filing a disability compensation claim. VA describes the pre-discharge concept plainly: "Servicemembers that are within 180 days of separation or retirement from active duty or full time National Guard duty may file claims for disability compensation." BDD is the structured version of that, with a defined window and an exam requirement, so VA can gather evidence and schedule exams before you leave.
If you have never filed anything before, start with our walkthrough on how to file a VA claim, then come back here for the timing.
The 180 to 90 day window
The BDD window is specific. You file 180 to 90 days before your separation date. Two conditions come with it: you must have a known separation date, and you must be available for VA exams within 45 days of submitting your claim.
| Requirement | BDD detail |
|---|---|
| Filing window | 180 to 90 days before separation |
| Separation date | Must be known |
| Exam availability | Available for VA exams within 45 days of submission |
| Separation Health Assessment | Complete and submit Part A with your claim |
| Special handling | Certain claims requiring special handling are excluded |
| Who is covered | Full-time active duty, including qualifying Guard, Reserve, and Coast Guard |
The 45-day exam rule is the part people overlook. BDD works because VA can examine you while you are still in. If you are about to move, deploy, or otherwise be unavailable for exams in that window, BDD may not fit, and you should plan around it. Two more requirements matter: you must complete and submit the Separation Health Assessment Part A with your claim, and certain claims requiring special handling are excluded from BDD. BDD may speed development, but it does not guarantee a decision or payment by separation.
What BDD gets you in practice
The advantage is time. A veteran who files after separation starts the evidence and exam process from scratch, often waiting just to be seen. BDD front-loads that work while you still have a military ID, ready access to your service treatment records, and a duty schedule that makes exams easier to attend. That is the whole point of the 45-day exam rule: VA wants to examine you while you are still reachable and still in uniform, so the file is closer to a decision by the time you separate.
What to gather before you file
You can make the process smoother by lining up a few things in advance. Confirm your separation date, since BDD requires a known date. Pull together your service treatment records and any private medical records for the conditions you plan to claim; our guide on service connection evidence explains the three elements VA looks for. This guide explains BDD eligibility and timing and does not advise which conditions to claim; browse the conditions library so you understand what you may be dealing with. If one condition stems from another, our secondary conditions page explains how VA looks at that link.
What if you have fewer than 90 days left
Life does not always leave you a clean 180 to 90 day runway. If you are inside 90 days, the BDD program is not available to you. That does not mean you are out of options. A standard pre-discharge claim is still possible under 90 days; you simply file through the standard path rather than BDD. The key point: do not wait until after discharge just because you missed the BDD window.
The practical difference is mostly about how exams are scheduled and how early the file starts moving, not about whether you can file at all. So if the calendar got away from you, file anyway through the standard route. The date VA receives your claim still matters for your effective date, which is the next thing to understand.
Who is included
BDD is available to service members on full-time active duty, including qualifying members of the National Guard, Reserve, and Coast Guard. Traditional part-time Guard or Reserve status alone does not qualify. If you are a Guard or Reserve member on a full-time active-duty period with a known separation date, this can apply to you.
If you are a Guard or Reserve member, coordinate with your unit so your separation date is firm and your exam availability is realistic. A moving target on either one can push a pre-discharge claim into the standard path. When the date and availability are solid, BDD is one of the cleanest ways to file.
Why timing changes your back pay
Filing early is not just about convenience; it can protect the date your benefits start. The general effective-date rule helps separating members: "If we get your claim within one year of the day you left active service, the effective date can be as early as the day following separation." In other words, if VA grants the claim and the governing requirements are met, the effective date may be as early as the day after separation. Payment-start rules remain separate from the effective date. To see how the effective date and back pay interact with an intent to file, read our guide on effective dates and back pay.
Before your exams, it also helps to understand what you are claiming. Browse the conditions library, and if a VA claim exam is scheduled, our guide on the VA claim exam explains how to prepare honestly. Getting the medical picture right matters, which our guide on service connection evidence covers.
What this does not mean: Filing a BDD claim does not delay your separation, and it does not guarantee a decision before your last day. It positions the claim so VA can gather evidence and examine you while you still serve. A decision still follows VA's normal process.
The official pathway
File your pre-discharge claim through VA in the 180 to 90 day window when you can, meet the 45-day exam availability, and keep your separation orders handy. If you are already inside 90 days, use the standard pre-discharge path rather than skipping straight to a post-service claim. Current compensation rates show what different ratings pay, and the glossary defines the terms. We help you organize your evidence and understand the timeline; we never prepare or file your claim for you.