Transmittals

Calendar Year (CY) 2026 Participation Enrollment and Medicare Participating Physicians and Suppliers Directory (MEDPARD) Procedures

Rural Health Clinic (RHC) and Federally Qualified Health Center (FQHC) Medicare Benefit Policy Manual Chapter 13 Update for Calendar Year (CY) 2026

Quarterly Update for the Durable Medical Equipment, Prosthetics, Orthotics, and Supplies (DMEPOS) Competitive Bidding Program (CBP) – April 2026

National Fee Schedule for Vaccine Administration Quarterly Update - April 2026

Healthcare Common Procedure Coding System (HCPCS) Codes Subject to and Excluded from Clinical Laboratory Improvement Amendments (CLIA) Edits

Quarterly Update for Clinical Laboratory Fee Schedule (CLFS) and Laboratory Services Subject to Reasonable Charge Payment

Prior Authorization Data - Add Medicare Beneficiary Identifier (MBI)

Annual Instructions for Downloading the Medicare ZIP Code Files for the Remainder of Calendar Year 2026

File Conversions Related to the Spanish Translation of the Healthcare Common Procedure Coding System (HCPCS) Descriptions

Updating Consistency Editing Logic for Provider-Based Department (PBD) Claims Processing

Combined Common Edits/Enhancements Modules (CCEM) Code Set Update

Quarterly Update to the Medicare Physician Fee Schedule Database (MPFSDB) - April 2026 Update

Update to Claims Processing Instructions for National Coverage Determination (NCD) 20.4 Implantable Cardiac Defibrillators (ICDs)

NCD 20.40- Renal Denervation (RDN) for Uncontrolled Hypertension

NCD 20.40- Renal Denervation (RDN) for Uncontrolled Hypertension

NCD 20.40- Renal Denervation (RDN) for Uncontrolled Hypertension

Update to Pub. 100-02 Medicare Benefit Policy Manual, Chapter 15, Section 110.8 Durable Medical Equipment Prosthetics Orthotics and Supplies (DMEPOS) Benefit Category Determinations.

Changes to the Electronic Correspondence Referral System (ECRS) Web to Replace RX19 and ECRS CM98 Rejection with a Soft Edit for Responsible Reporting Entities (RRE) Overlapping Drug Records and to Update the ECRS User Guide (UG) Regarding Computer Based Training (CBT) Language.

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)

Reporting of All Recovery Auditor-Initiated Claim Adjustments and their Subsequent Adjustments for Periodic Interim Payment (PIP) Facilities