How Much Does A Private ADHD Diagnosis Cost? If you are an adult suffering from 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 look for co-morbidities such as https://telegra.ph/Is-ADHD-Private-Diagnosis-The-Best-Thing-There-Ever-Was-06-05