ADHD Assessment and Diagnosis A diagnosis and evaluation of ADHD can alter the lives of adolescents and children. A diagnosis and a customized treatment plan can assist them in maximizing their learning environment and reach their maximum potential. However the ADHD diagnosis isn't always easy to access on the NHS. https://telegra.ph/Why-Private-ADHD-Diagnosis-UK-Cost-Is-The-Next-Big-Obsession-06-08