treatment, counseling, medication management, and medication adherence with prescribed medication regimes, using services delivered via telehealth. Such guidance shall also include guidance on furnishing services and treatments that address the needs of high-risk individuals, including at least the following groups: (A) American Indians and Alaska Natives. (B) Adults under the age of 40. (C) Individuals with a history of non-fatal overdose. (D) Individuals with a co-occurring serious mental illness and substance use disorder. (2) State options for Federal reimbursement of expenditures under Medicaid for education directed to providers serving Medicaid beneficiaries with substance use disorders using the hub and spoke model, through contracts with managed care entities, through administrative claiming for disease management activities, and under Delivery System Reform Incentive Payment ( DSRIP ) programs. (3) State options for Federal reimbursement of expenditures under Medicaid for furnishing services and treatment for substance use disorders for individuals enrolled in Medicaid in a school-based health center using services delivered via telehealth. (c) GAO evaluation of children's access to services and treatment for substance use disorders under Medicaid (1) Study The Comptroller General shall evaluate children’s access to services and treatment for substance use disorders under Medicaid. The evaluation shall include an analysis of State options for improving children's access to such services and treatment and for improving outcomes, including by increasing the number of Medicaid providers who offer services or treatment for substance use disorders in a school-based health center using services delivered via telehealth, particularly in rural and underserved areas. The evaluation shall include an analysis of Medicaid provider reimbursement rates for services and treatment for substance use disorders. (2) Report Not later than 1 year after the date of enactment of this Act, the Comptroller General shall submit