Did You Know?
The BDD window opens 180 days before you leave and closes at 90 days. Inside 90 days you can still file a pre-discharge claim — just not through BDD.
If you're still in and you know your separation date, there's a version of the claims process built for exactly that situation. VA says it may help speed up the decision process so you can get your benefits sooner.
The catch is a window most people find out about too late.
The Window
VA's language is direct: you can file a pre-discharge claim for disability benefits between 180 to 90 days before you leave the military.
So it opens six months out and closes three months out. It's a window, not a deadline — being too early is as much of a problem as being too late.
If you're already inside 90 days
You haven't lost the ability to file. VA is explicit that you can't use BDD, but you can still file a pre-discharge disability claim before you separate from active duty through the standard process. Different track, still filed before you're out.
What Else Has to Be True
- You're on full-time active duty — including National Guard, Reserve, or Coast Guard
- You have a known separation date, 180 to 90 days out
- You're available to attend VA exams within 45 days of the date you submit the claim
- You submit a completed Separation Health Assessment
That 45-day exam availability is worth thinking through honestly. Terminal leave, a permissive TDY, a move across the country — anything that puts you out of reach can undercut the timeline the program depends on.
When BDD Doesn't Apply
VA excludes claims that need special handling. That includes situations involving terminal illness, serious injury requiring case management, a pending character of discharge determination, or an inability to attend exams within 45 days.
Being excluded from BDD is not being excluded from benefits. It routes your claim somewhere better suited to it.
Why Filing Before You Leave Helps
Your records are at their most complete while you're still in, and the people who served alongside you are easiest to reach. Every year that passes after separation tends to make evidence harder to assemble — which is the most common reason older claims turn difficult.
If you're inside the window right now, the useful next step is listing every condition you've been seen for, not just the ones that feel severe enough to mention.