ADHD Private Assessment - Getting an Accurate Diagnosis A psychiatrist or nurse specialist must perform a private assessment to diagnose ADHD. Only these professionals are able to diagnose ADHD in the UK. They will look for ADHD symptoms and mental health issues since childhood, including school reports and interview you. https://emiliolbtjx.thenerdsblog.com/35428049/the-most-successful-adhd-assessment-private-gurus-do-3-things