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 since many private psychiatrists are experienced in diagnosing ADHD in adults. They also test for co-morbidities such as anxiety https://privateadhdassessment78887.madmouseblog.com/10241186/20-myths-about-adhd-diagnosis-private-uk-busted