You finally have an answer - congratulations. While getting tagged with omething that has no magical bullet pill to cure you stinks, at least you can stop being in limbo and do things to fight back. Sounds like a great doctor - hang onto him!
{here's an attempt at levity}
And just think how much simpler "forms" will be!!! Instad of having to explain this is wrong, this doesn't work well, no I don't have a "name"; now you can simply put down MS and all is understood and accepted. And it is only two little letters LOL