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 good option since many private psychiatrists have experience in diagnosing people with ADHD. They also look for co-morbidities such as depression https://psychiatrists-uk18932.csublogs.com/35518553/why-no-one-cares-about-adhd-diagnosis-adults-private-uk