1. Short title This Act may be cited as the Medicaid Bump Act . 2. Higher Federal match for increased expenditures under Medicaid for behavioral health services (a) In general Section 1903 of the Social Security Act ( 42 U.S.C. 1396b ) is amended— (1) in subsection (a)(5)— (A) by striking an amount equal and inserting (A) an amount equal ; and (B) by adding at the end the following: and (B) subject to subsection (b)(6), an amount equal to 90 percent of the amount by which— (i) the sum of the amounts expended during such quarter which are attributable to the offering, arranging, and furnishing (directly or on a contract basis) under the State plan (or under a waiver of the plan) of behavioral health services (including those related to mental health and substance use), exceeds (ii) the sum of the amounts expended during the corresponding quarter in the 4-quarter period ending on March 31, 2019, which are attributable to the offering, arranging, and furnishing (directly or on a contract basis) under the State plan (or under a waiver of the plan) of such services, plus