These forms ask for specific information we need to determine a disability rating for different medical conditions.  You can help make sure our rating specialist have exactly what they need to make a decision by having your VA or non-VA doctor fill out a DBQ
What if my claim isn't in my military record?
You'll want to upload statements that support your claim.  These should be from people who know about or who you've talked to about your claimed medical condition and how and when it occurred.