Transmittals

Completion of Changes to Remove Reliance on the AX Modifier to Accurately Pay End Stage Renal Disease (ESRD) Claims

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

Require Healthcare Integrated General Ledger Accounting System (HIGLAS) Users to Begin Using Phishing-resistant Multi-Factor Authentication (MFA) for Login

Extensions of Certain Temporary Changes to the Low-Volume Hospital Payment Adjustment and the Medicare-Dependent Hospital (MDH) Program under the Inpatient Prospective Payment System (IPPS) Provided by the Consolidated Appropriations Act, 2026

Notice of New Interest Rate for Medicare Overpayments and Underpayments -3rd Quarter Notification for FY 2026

Records and Information Management Requirements Updates to Pub. 100-01, Medicare General Information, Eligibility and Entitlement Manual, Chapter 7, Section 30

Contractor Instructions to Modify the Ambulatory Surgical Center Fee Schedule (ASC FS) Layout and ASC DRUG Record Layout

New Monthly Adjustment Process for Prospective Payment System (PPS) Hospital Interim Bills Verifying Patient Status and Service Dates.

Bypassing Reason Codes 31006 and 31007 for Outpatient Critical Access Hospital (CAH) Services Furnished by Certified Registered Nurse Anesthetists (CRNAs)

Quarterly Update to the National Correct Coding Initiative (NCCI) Add-on Code (AOC) Edits, Version Q32026, Effective July 1, 2026

Updates to Pub. 100-09, Chapter 6 Beneficiary and Provider Communications Manual, Chapter 6, Provider Customer Service Program (PCSP)

April 2026 Update of the Ambulatory Surgical Center (ASC) Payment System

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

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

Creation of the 'PROVIDER-TERMINATED' Status at the Provider/Customer Level on the Healthcare Integrated General Ledger Accounting System (HIGLAS) Customer Status History Form

Update to the Internet Only Manual (IOM) Publication 100-04, Chapter 18, Section 170.1 and Chapter 32, sections 330.1 and 330.2 for Updates in Change Request (CR) 14356 - International Classification of Diseases, 10th Revision (ICD-10) and Other Coding Revisions to National Coverage Determinations (NCDs)- July 2026

April 2026 Integrated Outpatient Code Editor (I/OCE) Specifications Version 27.1

Medicare Administrative Contractors (MACs) Part B, the Multi- Carrier System (MCS) and Durable Medicare Equipment (DME) MACs Updates on Processing Medicare Secondary Payer (MSP) Claims Containing Certain Claim Adjustment Reason Codes (CARCs)

Extensions of Certain Temporary Changes to the Low-Volume Hospital Payment Adjustment and the Medicare-Dependent Hospital (MDH) Program under the Inpatient Prospective Payment System (IPPS) Provided by the Consolidated Appropriations Act, 2026

Update to the Internet Only Manual (IOM) Publication (Pub.) 100-04, Chapter 32, Section 10.1 Incorporating Manual Updates from Change Request (CR) 11650 - National Coverage Determination (NCD) 20.19 Ambulatory Blood Pressure Monitoring (ABPM) and CR 12376 – Revisions to Chapters 13, 18 and 32 To Update Coding