20 CFR § 404.1538 - What we mean by approved institutions or facilities.
Institutions or facilities that we may approve include -
(a) An institution or facility that furnishes medically recognized treatment for drug addiction or alcoholism in conformity with applicable Federal or State laws and regulations;
(b) An institution or facility used by or licensed by an appropriate State agency which is authorized to refer persons for treatment of drug addiction or alcoholism;
(c) State licensed or certified care providers;
(d) Programs accredited by the Commission on Accreditation for Rehabilitation Facilities (CARF) and/or the Joint Commission for the Accreditation of Healthcare Organizations (JCAHO) for the treatment of drug addiction or alcoholism;
(e) Medicare or Medicaid certified care providers; or
(f) Nationally recognized self-help drug addiction or alcoholism recovery programs (e.g., Alcoholics Anonymous or Narcotics Anonymous) when participation in these programs is specifically prescribed by a treatment professional at an institution or facility described in paragraphs (a) through (e) of this section as part of an individual's treatment plan.