ADHD Private Assessment - Getting an Accurate Diagnosis A nurse or psychiatrist must conduct a private assessment to determine ADHD. Only healthcare professionals in the UK can diagnose ADHD. They will look for ADHD symptoms and mental health issues that have been present since childhood as well as school reports. https://emiliozsvla.wizzardsblog.com/29867967/an-easy-to-follow-guide-to-choosing-the-right-adhd-assessment-private