Substance Abuse and Mental Health Services Administration [SAMHSA] Law and Legal Definition

Substance Abuse and Mental Health Services Administration (SAMHSA) is an organization of the federal government, within the U.S. Department of Health and Human Services, established in 1992. It focuses on substance abuse and mental health.

SAMHSA is a part of the U.S. Public Health Service that works to improve the quality and availability of substance abuse prevention, addiction treatment, and rehabilitative services. The administrator of SAMHSA reports directly to the secretary of the U.S. Department of Health and Human Services. SAMHSA headquarters is located in Maryland.