United States Substance Abuse and Mental Health Services Administration

**Definition:** An agency of the PUBLIC HEALTH SERVICE concerned with the overall planning, promoting, and administering of programs pertaining to substance abuse and mental health. It is commonly referred to by the acronym SAMHSA. On 1 October 1992, the United States Alcohol, Drug Abuse, and Mental Health Administration (ADAMHA) became SAMHSA.

**Tree numbers:** - I01.409.418.750.600.650.920 - N03.540.348.500.500.600.650.920

**Synonyms:** - Substance Abuse and Mental Health Services Administration (U.S.) - SAMHSA