; and (6) administrative expenses described in subsection (g). (b) Prevention services For purposes of this subsection, the term prevention services means services, programs, or multi-sector strategies to prevent substance use disorder, including evidence-based education campaigns, community-based prevention programs, opioid diversion, collection and disposal of unused opioids, and services to at-risk populations. (c) Core medical services For purposes of this section, the term core medical services means the following services when provided to individuals with substance use disorder or at risk for developing substance use disorder: (1) Substance use disorder treatments, including clinical stabilization services, withdrawal management and detoxification, intensive inpatient treatment, intensive outpatient treatment, all forms of Federally-approved medication-assisted treatment, and residential recovery treatment. (2) Outpatient and ambulatory health services, including those administered by federally qualified health centers and rural health clinics. (3) Hospice services. (4) Mental health services. (5) Naloxone procurement, distribution, and training. (6) Pharmaceutical assistance and diagnostic testing related to the management of substance-use disorder and co-morbid conditions. (7) Home and community based health services. (8) Comprehensive Case Management and care coordination, including treatment adherence services. (9) Health insurance enrollment and cost-sharing assistance in accordance with section 3412. (d) Recovery and support services For purposes of subsection (a)(3), the term recovery and support services means services, subject to the approval of the Secretary, that are provided to individuals with substance use disorder, including residential recovery treatment and housing, including for individuals receiving medication-assisted treatment, long term recovery services, 24/7 hotline services, medical transportation services, respite care for persons caring for individuals with substance use disorder,