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 found that certain private clinics could be distributing inaccurate diagnoses and prescriptions. A valid ADHD diagnosis is based on symptoms, https://delacruz-welch.federatedjournals.com/five-adhd-diagnosis-private-projects-for-any-budget/