"One or more of the 17 specified ancillary services were provided by 99 percent of all facilities (Table 1). Ancillary services provided by more than half of all facilities included substance abuse education (94 percent); case management services (76 percent); social skills development (66 percent); HIV or AIDS education, counseling, or support (56 percent); mental health services (54 percent); and assistance with obtaining social services (52 percent)."


Substance Abuse and Mental Health Services Administration, Office of Applied Studies. (September 10, 2009). The N-SSATS Report: Services Provided by Substance Abuse Treatment Facilities in the United States. Rockville, MD. p. 3.