103TA0400X - Psychologist Addiction (Substance Use Disorder)

Updated on October 19, 2025. Version 23.1

A psychologist with a proficiency that involves the application of psychological treatment of addiction stemming from the use of alcohol and other psychoactive substances (e.g., nicotine, marijuana, cocaine, heroin) or behavioral addictions (e.g., gambling) with the aim of cessation or reduction of use and/or the amelioration of emotional, behavioral, interpersonal and other problems arising from the addictive behavior.

Source: American Psychological Association, www.apa.org [1/1/2019: new definition]

Additional Resources: The APA proficiency is Addiction Psychology.

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