MedicaidAdministrativeMedium impact
Annual 3M Grouper Updates - Updated 10.26.2021 pdf
Connecticut Medicaid (HUSKY Health)·CT·Provider Bulletin
Effective date
Oct 28, 2021
We identified it
Jun 20, 2026
Summary
The annual 3M Grouper system update has been postponed to October 28, 2021, which will resolve suspended inpatient DRG claims with EOB codes 0693 and 0920 that occurred due to ICD-10 code updates on October 1st. Suspended claims will automatically reprocess and appear on the November 9, 2021 Remittance Advice.
Action Required
By October 28, 2021: Monitor for automatic reprocessing of previously suspended inpatient DRG claims with EOB codes 0693 'Invalid Principal Diagnosis' or 0920 '3M Grouper Error' for dates of service October 1-26, 2021. Review November 9, 2021 Remittance Advice for reprocessed claims. Prepare for upcoming January 1, 2022 DRG weight and threshold updates by watching for December 2021 provider bulletin.