I would contact one of the authors of this book for guidance:

Misdiagnosis and Dual Diagnoses of Gifted Children and Adults: ADHD, bipolar, OCD, Asperger's, depression, and other disorders

James T. Webb, Edward R. Amend, Nadia E. Webb, Jean Goerss, Paul Beljan, F. Richard Olenchak

Here's the link for Dr. Amend
http://www.amendpsych.com/