42 C.F.R. § 447.325 Other inpatient and outpatient facility services: Upper limits of payment.
Title 42 - Public Health
The agency may pay the customary charges of the provider but must not pay more than the prevailing charges in the locality for comparable services under comparable circumstances.
Title 42: Public Health
PART 447—PAYMENTS FOR SERVICES
Subpart F—Payment Methods for Other Institutional and Noninstitutional Services
Other Inpatient and Outpatient Facilities
§ 447.325 Other inpatient and outpatient facility services: Upper limits of payment.

