Substance Abuse and Mental Health Services Administration (SAMHSA)DASIS Drug and Alcohol Services Informaton System
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About DASIS

DASIS Program Description

The Drug and Alcohol Services Information System (DASIS) is the primary source of national information on the services available for substance abuse treatment and the characteristics of individuals admitted to treatment. DASIS contains three data sets which are maintained with the cooperation and support of the States:

  1. The Inventory of Behavioral Health Services (I-BHS), an electronic master list of all organized substance abuse treatment facilities known to the Substance Abuse and Mental Health Services Administration (SAMHSA),
  2. The National Survey of Substance Abuse Treatment Services (N-SSATS), an annual survey of the treatment providers on the I-BHS; and
  3. The Treatment Episode Data Set (TEDS), a national database containing a minimum data set of information about individuals admitted to and discharged from treatment (primarily by providers receiving public funding).