This proposed rule would revise the Medicare hospital outpatient prospective payment system (OPPS) to implement applicable statutory requirements and changes arising from our continuing experience with this system. In this proposed rule, we describe the proposed changes to the amounts and factors used to determine the payment rates for Medicare hospital outpatient services paid under the prospective payment system. These changes would be applicable to services furnished on or after January 1, 2010.
In addition, this proposed rule would update the revised Medicare ambulatory surgical center (ASC) payment system to implement applicable statutory requirements and changes arising from our continuing experience with this system. In this proposed rule, we set forth the applicable relative payment weights and amounts for services furnished in ASCs, specific HCPCS codes to which these proposed changes would apply, and other pertinent ratesetting information for the CY 2010 ASC payment system. These proposed changes would be applicable to services furnished on or after January 1, 2010.