measures for determining quality, access, and expenditures. (C) Best practices Not later than October 1, 2020, the Secretary shall make publicly available on the internet website of the Centers for Medicare & Medicaid Services best practices for designing and implementing an SUD-focused State plan amendment, based on the experiences of States that have State plan amendments approved under this section that include SUD-eligible individuals. (D) Definitions For purposes of this paragraph: (i) SUD-eligible individuals The term SUD-eligible individual means, with respect to a State, an individual who satisfies all of the following: (I) The individual is an eligible individual with chronic conditions. (II) The individual is an individual with a substance use disorder. (III) The individual has not previously received health home services under any other State plan amendment approved for the State under this section by the Secretary. (ii) SUD-focused State plan amendment The term SUD-focused State plan amendment means a State plan amendment under this section that is designed to provide health home services primarily to SUD-eligible individuals. . (b) Requirement for State Medicaid plans To provide coverage for medication-Assisted treatment (1) Requirement for State Medicaid plans to provide coverage for medication-assisted treatment Section 1902(a)(10)(A) of the Social Security Act ( 42 U.S.C. 1396a(a)(10)(A) ) is amended, in the matter preceding clause (i), by striking and (28) and inserting (28), and (29) . (2) Inclusion of medication-assisted treatment as medical assistance Section 1905(a) of the Social Security Act ( 42 U.S.C. 1396d(a) ) is amended— (A) in paragraph (28), by striking and at the end