ADHD Assessment - Why it's Important to Find a Private Clinic If they suspect that a patient may have ADHD, they can refer them to private ADHD testing services. This can be very frustrating and long. It is important to choose a psychiatrist who has experience treating ADHD. NHS guidelines https://psychiatrist-uk69208.59bloggers.com/29667453/adhd-diagnosis-private-uk-a-simple-definition