; (C) during the period that is more than 48 hours and less than 72 hours after such test was so ordered, payment for such test shall be 100 percent of the amount of payment under this section on the first date of such emergency period; and (D) during the period that is at least 72 hours after such test was so ordered, payment may not be made for such test under this section. (2) Exception for COVID–19 PCR diagnostic panels furnished in rural and medically underserved areas In the case of a physician or provider of services that furnishes a test described in paragraph (1) in a rural or medically underserved area, for purposes of determining the applicable period under such paragraph, the number of hours from which the laboratory furnished the result of the test to the physician or provider of services after such test was ordered shall be reduced by 36 hours. . (b) Conforming amendment Section 1834A of the Social Security Act ( 42 U.S.C. 1395m–1 ), as amended by subsection (a), is further amended— (1) in subsection (b)— (A) in paragraph (1)(A), by striking Subject to paragraph (3) and subsections (c) and (d) and inserting Subject to paragraph (3) and subsections (c), (d), and (j) ; and (B) in paragraph (3), by striking Payment and inserting Subject to subsection (j), payment ; (2) in subsection (c)(1), by inserting subject to subsection (j), before payment ; and (3) in subsection (d)— (A) in paragraph (1)(A), by inserting subject to subsection (j), before the payment amount ; and (B) in paragraph (3), by striking Subject to paragraph (4) and inserting Subject to paragraph (4) and subsection (j) . 3. Condition of participation for laboratories to furnish the results of COVID–19 PCR diagnostic panels within 28 days Section 1866(a)(1) of the Social Security Act ( 42 U.S.C. 1395cc(a)(1) ) is amended— (1) in subparagraph (Y)(ii)— (A) in subclause (IV)(bb), by striking at the end and ; and (B) in subclause (V), by striking the period at the end and inserting ; and