42 C.F.R. § 405.1804 Matters not subject to administrative and judicial review under prospective payment.
Title 42 - Public Health
Neither administrative nor judicial review is available for controversies about the following matters: (a) The determination of the requirement, or the proportional amount, of any budget neutrality adjustment in the prospective payment rates. (b) The establishment of— (1) Diagnosis related groups (DRGs); (2) The methodology for the classification of inpatient discharges within the DRGs; or (3) Appropriate weighting factors that reflect the relative hospital resources used with respect to discharge within each DRG. [49 FR 322, Jan. 1, 1984]
Title 42: Public Health
PART 405—FEDERAL HEALTH INSURANCE FOR THE AGED AND DISABLED
Subpart R—Provider Reimbursement Determinations and Appeals
§ 405.1804 Matters not subject to administrative and judicial review under prospective payment.

