; and (iv) in the case of a final decision under clause (i) to reverse or modify such determination, the Secretary shall assign a temporary or permanent code (whether existing or unclassified) and implement the coding change as applicable. (D) Limitation on successive reviews Subparagraph (A) shall not apply with respect to a request for a review of a specified national coverage determination if the Secretary has made a final decision with respect to a previous review of such determination under this paragraph during the 2-year period ending on the date of the receipt of such request. Nothing in the preceding sentence shall be construed to limit the authority of the Secretary to review or reconsider a national coverage determination if determined appropriate by the Secretary. (E) Specified national coverage determination defined In this paragraph, the term specified national coverage determination means a national coverage determination made with respect to a drug or biological approved under section 505(c) of the Federal Food, Drug, and Cosmetic Act or licensed under section 351 of the Public Health Service Act under which coverage of such drug or biological under this title was denied or otherwise limited in a manner inconsistent with such approval or licensure. (6) Prohibition on application of certain existing national coverage determinations to newly approved drugs and biologicals The Secretary may not, with respect to a drug approved under section 505(c) of the Federal Food, Drug, and Cosmetic Act or a biological licensed under section 351 of the Public Health Service Act, apply a national coverage determination that was made prior to the date of such approval or licensure (as applicable) to the extent that such application would result in a denial or other limit of coverage under this title for such drug or biological in a manner inconsistent with such approval or licensure. . (b) Nonreliance on certain NCDs under part D Section 1860D–2(e)(3) of the Social Security Act ( 42 U.S.C. 1395w–102(e)(3) ) is