; and (2) to the extent practicable, build on existing best practices and suggested guidelines developed previously by the Substance Abuse and Mental Health Services Administration. (b) Public comment period Before finalizing guidelines under subsection (a), the Secretary of Health and Human Services shall provide for a public comment period. (c) Exclusion of guideline on treatment services In developing the guidelines under subsection (a), the Secretary may not include any guideline or standard with respect to substance use disorder treatment services. (d) Substance use disorder treatment services In this section, the term substance use disorder treatment services means items or services furnished for the treatment of a substance use disorder, including— (1) medications approved by the Food and Drug Administration for use in such treatment, excluding each such medication used to prevent or treat a drug overdose; (2) the administering of such medications; (3) recommendations for such treatment; (4) clinical assessments and referrals; (5) counseling with a physician, psychologist, or mental health professional (including individual and group therapy); and (6) toxicology testing. 4. Coordination of Federal activities to promote the availability of high-quality recovery housing Section 550 of the Public Health Service Act ( 42 U.S.C. 290ee–5 ) is amended— (1) by redesignating subsections (e), (f), and (g) as subsections (h), (i), and (j), respectively