Even a casual study of the history of such things, these labels for eccentricity, show that society moves fast here. One period's classification, for example, "moron", becomes a later periods' schoolyard insult.
Thus if you want to be a help, rather than throw diagnosis at me, throw money and that would certainly help me to be better adjusted. Just trying to be practical here.
The Diagnostic and Statistical Manual of Mental Disorders on Wikipedia
DSM-IV TR (Text Revision)
DSM-V (In Development)