42 C.F.R. § 424.52 Payment to a nonparticipating hospital.
Title 42 - Public Health
Medicare pays a nonparticipating hospital for the following services, if covered, in the specified circumstances: (a) Emergency inpatient and outpatient services furnished by a U.S. hospital, if the hospital has in effect an election to claim payment in accordance with subpart G of this part. (b) Certain medical and other health services covered under Medicare Part B and furnished by a U.S. hospital, if the hospital meets the requirements of §424.55 for payment as a supplier. (c) Emergency or nonemergency inpatient services furnished by a foreign hospital if the hospital has in effect an election to claim payment in accordance with subpart G of this part.
Title 42: Public Health
PART 424—CONDITIONS FOR MEDICARE PAYMENT
Subpart D—To Whom Payment Is Ordinarily Made
§ 424.52 Payment to a nonparticipating hospital.

