Currently, one of the most common referral routes for patients with attention deficit hyperactivity disorder (ADHD) is from a GP in a community practice through to specialist child and adolescent mental health services (CAMHS). Other, less common, routes would be from other organisations in the children and young people's workforce or self-referral from the parent, child or the young person themselves. A comprehensive assessment would then take place in a specialist setting, usually with a specialist child psychiatrist.