Alert detail
CMS Transmittal R13979CP: October 2026 Integrated Outpatient Code Editor (I/OCE) Specifications Version 27.3
Policy ID: CMS-T-R13979CPSpecialty: Hospital Outpatient (OPPS)Added: 9/30/2026Effective: October 5, 2026transmittal
What changed
I/OCE Version 27.3 takes effect Oct 5—update outpatient claims systems.
Who’s affected: Hospital Outpatient (OPPS) billing teams · Effective: October 5, 2026
Primary source: View the official CMS/MAC document ↗
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