ADHD Diagnosis - Getting the Right One From the NHS The NHS requires that people undergo a thorough assessment in order to receive the correct ADHD diagnosis. The BBC investigation revealed that a few private clinics might be handing an unreliable diagnosis or prescribing the wrong medications. A reliable diagnosis https://telegra.ph/Are-You-Getting-The-Most-Value-Of-Your-Private-ADHD-Assessments-06-07