In the case of an item or service furnished to a resident of a skilled nursing facility or a part of a facility that includes a skilled nursing facility (as determined under regulations) for which payment would (but for this paragraph) be made under part B of this subchapter in an amount determined in accordance with section
1395l
(a)(2)(B) of this title, the amount of the payment under such part shall be the amount provided under the fee schedule for such item or service. In the case of an item or service described in clause (iii) of paragraph (2)(A) that would be payable under part A of this subchapter but for the exclusion of such item or service under such clause, payment shall be made for the item or service, in an amount otherwise determined under part B of this subchapter for such item or service, from the Federal Hospital Insurance Trust Fund under section
1395i of this title (rather than from the Federal Supplementary Medical Insurance Trust Fund under section
1395t of this title).