| Activity | Inpatient* | Outpatient | 2022 Q4 | 2023 Q1 |
|---|---|---|---|---|
| PHC4 begins accepting UB-04 claims data and laboratory data** | X | X | January 3, 2023 | April 3, 2023 |
| UB-04 claims data and laboratory data** due | X | X | March 31, 2023 | June 30, 2023 |
| Error corrections due | X | X | May 1, 2023 | July 31, 2023 |
| * | Inpatient data is grouped using MS-DRG Version 40 |
| ** | Laboratory data reporting only applies to GAC and SGAC hospitals |