; and (E) by adding at the end the following: (6) any prescription drug approved by the Food and Drug Administration for the prevention of HIV (other than a drug subject to preauthorization requirements consistent with section 2729A), administrative fees for such drugs, laboratory and other diagnostic procedures associated with the use of such drugs, and clinical follow-up and monitoring, including any related services recommended in current United States Public Health Service clinical practice guidelines, without limitation. . (2) Prohibition on preauthorization requirements Subpart II of part A of title XXVII of the Public Health Service Act ( 42 U.S.C. 300gg–11 et seq. ) is amended by adding at the end the following: 2729A. Prohibition on preauthorization requirements with respect to certain services A group health plan or a health insurance issuer offering group or individual health insurance coverage shall not impose any preauthorization requirements with respect to coverage of the services described in section 2713(a)(6), except that a plan or issuer may impose preauthorization requirements with respect to coverage of a particular drug approved under section 505(c) of the Federal Food, Drug, and Cosmetic Act or section 351(a) of this Act if such plan or issuer provides coverage without any preauthorization requirements for a drug that is therapeutically equivalent. . (b) Coverage under Federal Employees Health Benefits program Section 8904 of title 5, United States Code, is amended by adding at the end the following: (c) Any health benefits plan offered under this chapter shall include benefits for, and may not impose any cost-sharing requirements for, any prescription drug approved by the Food and Drug Administration for the prevention of HIV, administrative fees for such drugs, laboratory and other diagnostic procedures associated with the use of such drugs, and clinical follow-up and monitoring, including any related services recommended in current United States Public Health Service clinical practice