ADHD Diagnosis - Getting the Right One From the NHS In order for people to receive an accurate diagnosis of ADHD, the NHS requires a thorough assessment. The BBC investigation found that some private clinics may be giving inaccurate diagnoses and prescribing inappropriate medication. A valid ADHD diagnosis is based http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1372237