A bill to amend title XVIII of the Social Security Act to provide that payments for inpatient hospital discharges under part A of such title shall be based upon the diagnosis-related group applicable at the time of admission or a diagnosis-related group determined subsequent to admission, whichever would result in the greater payment.

Amends title XVIII (Medicare) of the Social Security Act to base payments for inpatient hospital discharges under part A (Hospital Insurance) of the Medicare program upon the diagnosis-related group (DRG) into which the patient was placed upon admission or the DRG into which the patient was placed after a subsequent diagnosis, whichever would result in the greater payment.