How Much Does a Private ADHD Diagnosis Cost? If you are an adult with ADHD You may have to take the private route to be diagnosed. This is a fantastic option, as many private psychiatrists have experience in diagnosing ADHD in adults. They also test for co-morbidities, such as anxiety https://paxtonsvavz.blogdon.net/three-greatest-moments-in-adhd-diagnosis-adults-private-uk-history-45449501