adjusted historical payment basis
(i)In this paragraph, the term “adjusted historical payment basis” means, with respect to a physicians’ service furnished in a fee schedule area, the weighted average prevailing charge applied in the area for the service in 1991 (as determined by the Secretary without regard to physician specialty and as adjusted to reflect payments for services with customary charges below the prevailing charge or other payment limitations imposed by law or regulation) adjusted by the update established under subsection (d)(3) for 1992. (ii)In applying clause (i) in the case of physicians’ services which are radiology services (including radiologist services, as defined in), but excluding nuclear medicine services that are subject to section 6105(b) of the Omnibus Budget Reconciliation Act of 1989, there shall be substituted for the weighted average prevailing charge the amount provided under the fee schedule established for the service for the fee schedule area under. (iii)In applying clause (i) in the case of physicians’ services which are nuclear medicine services, there shall be substituted for the weighted average prevailing charge the amount provided under section 6105(b) of the Omnibus Budget Reconciliation Act of 1989.