Understanding an ADHD Diagnosis

Plain-language guide to what an ADHD diagnosis in an assessment report means, for a parent or an adult.

If a report names attention-deficit/hyperactivity disorder (ADHD), it can raise as many questions as it answers. Whether you are a parent reading your child’s report or an adult reading your own, this guide explains what an ADHD diagnosis describes, how a professional arrives at one, and what it does and does not mean for everyday life. It explains a diagnosis your report already names. It does not diagnose, and only a qualified professional can determine whether ADHD fits a particular person.

Quick answer. ADHD is a recognized neurodevelopmental condition involving a lasting pattern of inattention, or hyperactivity and impulsivity, or both, that shows up across settings and gets in the way of daily life. A diagnosis reflects a careful judgment drawn from history, input across settings, and observation, never a single test or score.

What’s Inside the Full Guide

  • What ADHD actually describes, in plain terms
  • The two symptom areas and the three presentations
  • How a professional reaches the diagnosis
  • What ADHD is not
  • How it can look different in children and adults
  • Common supports, accommodations, and next steps

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