| Activity | Inpatient* | Outpatient | 2026 Q2 | 2026 Q3 |
|---|---|---|---|---|
| PHC4 begins accepting claims data and laboratory data** | X | X | July 1, 2026 | October 1, 2026 |
| Claims data and laboratory data** due | X | X | September 30, 2026 | December 31, 2026 |
| Error corrections due | X | X | November 2, 2026 | February 1, 2027 |
| * | Inpatient data is grouped using MS-DRG Version 43.1 |
| ** | Laboratory data reporting only applies to GAC and SGAC hospitals |