How Much Does a Private ADHD Assessment Cost? A private adhd assessment can be expensive, but it's worth it if need to obtain a reliable diagnosis. These tests are carried out in a professional environment by mental health professionals who can assist you in understanding the condition you're suffering from. https://iampsychiatry91748.glifeblog.com/28804228/a-trip-back-in-time-what-people-discussed-about-adhd-diagnosis-private-uk-20-years-ago