In the case of a bill or request for payment for a clinical diagnostic laboratory test for which payment may otherwise be made under this part on an assignment-related basis or under a provider agreement under section 1395cc of this title , payment may be made only to the person or entity which performed or supervised the performance of such test; except that—
(i)#
if a physician performed or supervised the performance of such test, payment may be made to another physician with whom he shares his practice,
(ii)#
in the case of a test performed at the request of a laboratory by another laboratory, payment may be made to the referring laboratory but only if—
(I) the referring laboratory is located in, or is part of, a rural hospital,
(II) the referring laboratory is wholly owned by the entity performing such test, the referring laboratory wholly owns the entity performing such test, or both the referring laboratory and the entity performing such test are wholly-owned by a third entity, or
(III) not more than 30 percent of the clinical diagnostic laboratory tests for which such referring laboratory (but not including a laboratory described in subclause (II)), 8 8 So in original. The comma after “subclause (II))” probably should follow “is performed”. receives requests for testing during the year in which the test is performed 8 are performed by another laboratory, and
(ii)(I)#
the referring laboratory is located in, or is part of, a rural hospital,
(ii)(II)#
the referring laboratory is wholly owned by the entity performing such test, the referring laboratory wholly owns the entity performing such test, or both the referring laboratory and the entity performing such test are wholly-owned by a third entity, or
(iii)#
in the case of a clinical diagnostic laboratory test provided under an arrangement (as defined in section 1395x(w)(1) of this title ) made by a hospital, critical access hospital, or skilled nursing facility, payment shall be made to the hospital or skilled nursing facility.