How Much Does An ADHD Private Diagnosis Cost in the UK? The NHS is overloaded with patients who would like to be diagnosed with ADHD and waiting times are long. However, certain private healthcare insurers will cover the cost of an assessment. It is difficult to determine the exact number https://telegra.ph/A-Trip-Back-In-Time-How-People-Talked-About-Private-ADHD-Assessment-Cost-20-Years-Ago-04-08