Attention Hospital Providers: Microdyn Update for Ambulatory Payment Classification (APC) & DRG Errors
Effective February 15, 2025, the Center for Medicare and Medicaid Services’ (CMS) quarterly updates are complete in MIHMS.
The following CMS documents provide the details of the APC (CRs 129832 & 129843) updates:
We will adjust affected claims that are processed prior to these updates and paid at zero. We will also release pending claims. No provider action is needed.
DRG Errors
Some DRG claims denied in error. The issue was not related to the Microdyn update. We will adjust affected claims, and no provider action is needed.
For questions, please contact Tiffany Norton, Provider Relations Specialist.