Transmittals

Update to GUIDE Model Appendices for July 2026

July Quarterly Update for 2026 Durable Medical Equipment, Prosthetics, Orthotics and Supplies (DMEPOS) Fee Schedule

July 2026 Update of the Hospital Outpatient Prospective Payment System (OPPS)

Creating Additional Medicare Secondary Payer (MSP) Error Codes to Better Identify Incoming MSP Claims that Conflict with MSP Records Found on the Common Working File (CWF)

"Update to Several Sections of the Internet-Only Manual (IOM) Publication (Pub.) 100-04, Medicare Claims Processing Manual, Chapter 23 - Fee Schedule Administration and Coding Requirements."

October 2026 (2027 File) Update of the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

The Fiscal Intermediary Shared System (FISS) Submission of Copybook Files to the Provider Statistical & Reimbursement (PS&R) System

Revisions to State Operations Manual (SOM), Chapter 5

Medicare Beneficiary Date of Death - Manual Update

Updates to the Internet Only Manual, Publication 100-06, Chapter 3, Overpayments, Section 140-140.8.4 - Bankruptcy

Quarterly Update to the End Stage Renal Disease Prospective Payment System (ESRD PPS)

Updates of Chapters 3, 4, and Exhibits in Publication (Pub.) 100-08, Including Updates to the Provider Notification Process and Vetting with the CMS Process

Implementation of Editing for Programs of All-Inclusive Care for the Elderly (PACE) Inpatient Claims Submitted for Indirect Medical Education (IME) Payment

Health Insurance Portability and Accountability Act (HIPAA) Electronic Data Interchange (EDI) Front End Updates for October 2026

Update to the Internet Only Manual (IOM) Publication 100-04, Chapters 3, 13, 17, 18 and 32 for Coding Revisions to National Coverage Determination (NCDs) - January 2026 Change Requests (CRs) 14194 and 14197

Revisions to the State Operations Manual (SOM) Chapter 9 Exhibits.

Noninvasive Positive Pressure Ventilation (NIPPV) in the Home for the Treatment of Chronic Respiratory Failure (CRF) Consequent to Chronic Obstructive Pulmonary Disease (COPD)

Noninvasive Positive Pressure Ventilation (NIPPV) in the Home for the Treatment of Chronic Respiratory Failure (CRF) Consequent to Chronic Obstructive Pulmonary Disease (COPD)

"July 2026 Quarterly Update to the Clinical Laboratory Fee Schedule (CLFS) and Clinical Laboratory Improvement Amendments (CLIA): Healthcare Common Procedure Coding System (HCPCS) Codes, Waived Tests, and Reasonable Charge Payments"

Cardiac Contractility Modulation (CCM) for Heart Failure (HF)