How Much Does A Private ADHD Diagnosis Cost? You might have to take the private option if you are an adult who suffers from ADHD. This is a viable option since private psychiatrists have a lot of experience in diagnosing adults suffering from ADHD. They will also check for co-morbidities, http://srv29897.ht-test.ru/index.php?subaction=userinfo&user=nurseink6