How Much Does a Private ADHD Diagnosis Cost? You might have to take the private route if you are an adult with ADHD. This is a good option since private psychiatrists have a lot of experience in diagnosing people with ADHD. They will also screen them for co-morbidities like anxiety https://iampsychiatry91748.glifeblog.com/29223368/this-is-a-adhd-diagnosis-private-uk-success-story-you-ll-never-believe