The list below shows the program memoranda for the Hospital Outpatient Prospective Payment System.
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-00-100 | Conversion to the UB-92 Version 6.0 and Continued Use of Version 5.0 | 12/22/2000 | 2000 |
A-00-35.60 | Revised Outpatient Code Editor (OCE) specifications for Outpatient PPS | 06/01/2000 | 2000 |
A-00-36.60 | Hospital Outpatient Prospective Payment System (OPPS) Implementation Instructions | 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 |
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 |
A-01-01 | January Outpatient Code Editor (OCE) Specifications Version (V2.0) | 01/16/2001 | 2001 |
A-01-10 | Technical Corrections to January 2001 Update: Coding Information for the Hospital Outpatient PPS | 01/16/2001 | 2001 |