; (ii) in subparagraph (HH), by striking the period at the end and inserting ; and ; and (iii) by adding at the end the following new subparagraph: (II) medically necessary food (as defined in subsection (kkk)); . (B) Definition Section 1861 of the Social Security Act ( 42 U.S.C. 1395x ) is amended by adding at the end the following new subsection: (kkk) Medically Necessary Food The term medically necessary food has the meaning given the term medical food in section 5(b)(3) of the Orphan Drug Act ( 21 U.S.C. 360ee(b)(3) ). . (C) Payment Section 1833(a)(1) of the Social Security Act ( 42 U.S.C. 1395l(a)(1) ) is amended— (i) by striking and before (DD) ; and (ii) by inserting before the semicolon at the end the following: , and (EE) with respect to medically necessary food (as defined in section 1861(kkk)), the amount paid shall be an amount equal to 80 percent of the actual charge for the services. . (D) Effective date The amendments made by this paragraph shall apply to items and services furnished on or after January 1, 2021. (2) Coverage as covered part D drug (A) In general Section 1860D–2(e)(1) of the Social Security Act ( 42 U.S.C. 1395w–102(e)(1) ) is amended— (i) in subparagraph (A), by striking at the end or ; (ii) in subparagraph (B), by striking at the end the comma and inserting ; or ; and (iii) by inserting after subparagraph (B) the following new subparagraph: (C) a medically necessary food (as defined in section 1861(kkk)), . (B) Effective date The amendments made by subparagraph (A) shall apply with respect to plan years beginning on or after January 1, 2021. (b) Coverage under Medicaid program (1) In general Section 1905(a) of the Social Security Act ( 42 U.S.C. 1396d(a) ) is amended— (A) in paragraph (29), by striking and at the end; (B) by redesignating paragraph (30) as paragraph (31); and (C) by inserting after paragraph (29) the following new paragraph: (30) medically necessary food (as defined in section 1861(kkk))