The list below shows the program memoranda for the Hospital Outpatient Prospective Payment System.
A-01-145 | Delay of the 2002 Update to the Outpatient Prospective Payment System (OPPS) | 12/21/2001 | 2001 |
A-00-07 | Addition of Modifiers 25, 58, 78 & 79 to the List of Modifiers Approved for Hospital Outpatient Use | 02/01/2000 | 2000 |
A-00-36.60 | Hospital Outpatient Prospective Payment System (OPPS) Implementation Instructions | 06/01/2000 | 2000 |
A-00-35.60 | Revised Outpatient Code Editor (OCE) specifications for Outpatient PPS | 06/01/2000 | 2000 |
A-00-40 | Further information on the use of Modifier - 25 in Reporting Hospital Outpatient Services | 07/20/2000 | 2000 |
A-00-45 | Interim Process for Certain "Inpatient Only" Code Changes | 08/01/2000 | 2000 |
AB-00-69 | Notice of New Interest Rate for Medicare Overpayments and Underpayments | 08/01/2000 | 2000 |
AB-00-73 | Proper Billing of Outpatient Pathology Service under the Outpatient Prospective Payment System | 08/11/2000 | 2000 |
A-00-72 | Technical Corrections to Coding Information for Hospital Outpatient Prospective Payment System | 10/03/2000 | 2000 |
A-00-82 | January 2001 Update: Coding Information for Hospital Outpatient Prospective Payment System (OPPS) | 11/03/2000 | 2000 |