XXVII of the Public Health Service Act is amended by inserting after section 2719A ( 42 U.S.C. 300gg–19a ) the following: 2720. Coverage of opioid treatments A group health plan and a health insurance issuer offering group or individual health insurance coverage shall, at a minimum, provide coverage for and shall not impose any cost-sharing requirements for— (1) prescription drugs for the treatment of opioid use disorders or to reverse overdose