Alert detail
CMS Transmittal R13932OTN: A/B Medicare Administrative Contractors (MACs) Part A and the Fiscal Intermediary Shared System…
Policy ID: CMS-T-R13932OTNSpecialty: Inpatient (IPPS)Added: 8/22/2026Effective: January 4, 2027transmittal
What changed
CR 14553: A/B MAC Part A FISS update effective Jan 2027.
Who’s affected: Inpatient (IPPS) billing teams · Effective: January 4, 2027
Primary source: View the official CMS/MAC document ↗
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