article-1283696-09dfa121000005dc-950_468x31511How do you get a diagnosis? A diagnosis is usually made through outside testing by a psychologist in a medical setting or private practice. Going to your pediatrician in order to get a referral for a neuropsychological evaluation is the first step. For greatest success when working with children suspected of autism spectrum disorders an accurate diagnosis provided by an outside professional and and accurate school classification ensures the best possible outcome.