qualifying health service
(4) For purposes of this subsection, the term “qualifying health service” means any medical assistance required or authorized to be provided in the program under title XIX of the Social Security Act [ 42 U.S.C. 1396 et seq.], without regard to whether the medical assistance is included in the plan submitted under such program by the State in which the health care practitioner involved provides the medical assistance. References in the preceding sentence to such program shall as applicable be considered to be references to any successor to such program.