ADHD Assessment - How to Find a Low-Cost Private Specialist A long process is needed to diagnose ADHD. This requires a thorough examination of your psychiatrist that includes old school reports. You may have to ask for your parents' help. Private healthcare can help you avoid lengthy NHS waiting times. https://elliottxhnsc.blogkoo.com/how-to-get-more-results-from-your-adhd-diagnosis-private-uk-49007963