Wondering if you can submit another VA Form 21-4138 for the same claim? The answer is yes—you absolutely can. Even if it’s for the same diagnosis, you can send in an updated or new 21-4138 at any time. If you’ve got more details to add, a better explanation, or new buddy letters, don’t hold back. There’s no limit to how many Statements in Support of Claim you can submit. If you’re filing for PTSD, make sure you also complete VA Form 21-0781. That’s the stressor statement form, and it’s critical