ADHD Diagnosis - Getting the Right One From the NHS The NHS requires that patients undergo a thorough examination in order to get the correct ADHD diagnosis. The BBC investigation revealed that some private clinics may be giving inaccurate diagnoses and prescribing inappropriate medication. A legitimate diagnosis of ADHD is http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1372822