This sounds like a Good Thing, and I'm sure for some people it's a good idea, but in my experience, frontloading this sort of stuff tends to backfire. The problem is that most[0] people don't know how to deal with special needs[1]
If you focus on the facts and "your administrative weaknesses" a lot of people just hear excuses and think you're incompetent.
If you try to explain it as a medical thing first, you might get the "you don't look autistic" response -- they think you are putting yourself down -- but the response I've had even more often is "what does that mean?". Now you have to work to convince them that you are a liability.
A strange game. The only way to win is to not[2] play.
[0] "most": a population large enough that you can't safely ignore their existence. Source? what I reckon.
[1] I don't really like to use the phrase, but I mean the literal meaning of the words and also that's often how they see it.
[2] not the only way to order words