a drug, biological, or medical device is eligible for an additional payment under this paragraph, any local coverage determination (as defined in section 1869(f)(2)(B)) that would affect the coverage of, or the additional payment under this paragraph for, such drug, biological, or medical device shall have no force or effect in law or regulation. . (C) Effective date This paragraph, and the amendments made by this paragraph, shall apply with respect to items and services furnished on or after the date of the enactment of this Act, including any such item or service that is eligible on such date for an additional payment under section 1833(t)(6) of the Social Security Act ( 42 U.S.C. 1395l(t)(6) ) or under section 1886(d) of such Act ( 42 U.S.C. 1395ww(d) ) by reason of paragraph (5)(K) of such section, or that would have been so eligible on such date but for a local coverage determination that limits or denies coverage of and such additional payment for the item or service. (3) Revision to the cost threshold (A) In general Section 1886(d)(5)(K)(ii)(I) of the Social Security Act ( 42 U.S.C. 1395ww(d)(5)(K)(ii)(I) ) is amended by striking 75 percent each place it appears and inserting 50 percent . (B) Effective date The amendment made by subparagraph (A) shall take effect on the date of the enactment of this Act. (4) Use of best available cost data for MS–DRG classification (A) In general Section 1886(d)(5)(K) of the Social Security Act ( 42 U.S.C. 1395ww(d)(5)(K) ), as amended by paragraph (2)(A), is further amended by adding at the end the following new clause: (xi) In carrying out the requirement under clause (ii)(IV) for classification of a new medical service or technology to a new or existing diagnosis-related group after the close of the period under clause (ii)(II), the Secretary shall use the most recently available data and information on the costs of such service or technology in making such a classification for the service or technology, including data and information from surveys of providers of