ADHD Diagnosis - Getting the Right One From the NHS The NHS requires that people undergo a thorough assessment in order to receive an accurate ADHD diagnosis. The BBC investigation revealed that a few private clinics could be distributing inaccurate diagnoses and prescriptions. A reliable diagnosis for ADHD is based https://wikimapia.org/external_link?url=https://www.iampsychiatry.uk/private-adult-adhd-assessments/