Alert detail
CMS Transmittal R13804DEMO: Update to GUIDE Model Appendices for July 2026
Policy ID: CMS-T-R13804DEMOSpecialty: Multi-specialtyAdded: 6/23/2026Effective: July 6, 2026transmittal
What changed
Prepare for GUIDE Model Appendix updates effective July 2026.
Who’s affected: Multi-specialty billing teams · Effective: July 6, 2026
Primary source: View the official CMS/MAC document ↗
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