Screening and Diagnostic Tools

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An ADHD diagnosis is based on the presence of core symptoms seen over a period of time that are outside of the range expected based on a person's level of development.1 To aid physicians and psychologists in the diagnosis process, several validated behavior scales have been developed to help screen, diagnose, evaluate, and track symptoms of ADHD in children and teenagers and adults. These scales are not to be used as sole diagnostic tools, nor should they replace the full clinical assessment based on the DSM-5®; however, they may help review and quantify symptoms.2

Select a patient age group above to review the appropriate scales.


  1. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. 5th ed. (DSM-5®). Arlington, VA: American Psychiatric Publishing; 2013.
  2. Pliszka S; AACAP Work Group on Quality Issues. Practice parameter for the assessment and treatment of children and adolescents with attention-deficit/hyperactivity disorder. J Am Acad Child Adolesc Psychiatry. 2007;46(7):894-921.