ADHD Private Assessment - Getting an Accurate Diagnosis A nurse or psychiatrist must conduct a private assessment to diagnose ADHD. Only healthcare professionals from the UK can diagnose ADHD. They will search for ADHD symptoms and mental health issues that have been present since childhood as well as school reports. https://edwinkjguk.blazingblog.com/29890353/the-little-known-benefits-of-adhd-assessment-private