supplemental payment
(2) Supplemental payment defined (A) In general Subject to subparagraph (B), in this subsection, the term “supplemental payment” means a payment to a provider that is in addition to any base payment made to the provider under the State plan under this subchapter or under demonstration authority. (B) DSH payments excluded Such term does not include a disproportionate share hospital payment made under section 1396r–4 of this title .