ADHD Assessment and Diagnosis An ADHD diagnosis and assessment could be life-changing for children and teenagers. With a diagnosis and tailored treatment plan they can optimise their learning environment and reach their full potential. However it is true that an ADHD diagnosis isn't always easy to access on the NHS. https://telegra.ph/Watch-Out-How-ADHD-Diagnosis-Private-UK-Is-Taking-Over-And-How-To-Stop-It-03-06