ADHD Diagnosis - Getting the Right One From the NHS To give people an accurate diagnosis of ADHD, the NHS requires a thorough examination. The BBC investigation highlighted that some private clinics could provide incorrect diagnoses and medications. A valid ADHD diagnosis is based on the symptoms that are severe, https://telegra.ph/The-Reason-Why-Youre-Not-Succeeding-At-Private-ADHD-Assessment-Adult-03-06