visits, urgent care center visits, and emergency room visits that result in an order for or administration of an in vitro diagnostic product described in paragraph (1). (b) Enforcement The provisions of subsection (a) shall be applied by the Secretary of Health and Human Services, Secretary of Labor, and Secretary of the Treasury to group health plans and health insurance issuers offering group or individual health insurance coverage as if included in the provisions of part A of title XXVII of the Public Health Service Act, part 7 of the Employee Retirement Income Security Act of 1974, and subchapter B of chapter 100 of the Internal Revenue Code of 1986, as applicable. (c) Implementation The Secretary of Health and Human Services, Secretary of Labor, and Secretary of the Treasury may implement the provisions of this section through sub-regulatory guidance, program instruction, or otherwise. (d) Terms The terms group health plan , health insurance issuer , group health insurance coverage , and individual health insurance coverage have the meanings given such terms in section 2791 of the Public Health Service Act ( 42 U.S.C. 300gg–91 ), section 733 of the Employee Retirement Income Security Act of 1974 ( 29 U.S.C. 1191b ), and section 9832 of the Internal Revenue Code of 1986, as applicable. 3. Waiving cost sharing under the Medicare program for certain visits relating to testing for COVID–19 (a) In general Section 1833 of the Social Security Act ( 42 U.S.C. 1395l ) is amended— (1) in subsection (a)(1)— (A) by striking and before (CC)