. (7) Effective date The amendments made by paragraphs (2), (3), (4), (5), and (6) shall take effect on the date of the enactment of this Act and shall apply with respect to hospital discharges occurring on or after October 1, 2018, for inpatient hospital services for which payment is made under section 1886(d) of the Social Security Act ( 42 U.S.C. 1395ww ). (b) Improvements to payment adjustment under the Medicare outpatient prospective payment system for certain drugs and devices eligible or previously eligible for pass-Through (1) Requiring separate ambulatory payment classification for certain drugs and devices previously eligible for pass-through payments Section 1833(t) of the Social Security Act ( 42 U.S.C. 1395l(t) ) is amended— (A) in paragraph (2)— (i) in subparagraph (G), by striking and at the end