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MLN Matters articles: Third quarter 2025

MLN (Medicare Learning Network) Matters articles are a series of national articles designed to inform physicians, providers, and suppliers about the latest changes to the Medicare program. Please use the links below to review the articles released by CMS July through September. Visit the CMS MLN Matters page for a complete listing of all MLNs issued nationwide.

Line of business Release date Subject  MLN#
AB 09/22/2025 Hospital Outpatient Prospective Payment System: October 2025 Update MM14233
B 09/22/2025 Ambulatory Surgical Center Payment System: October 2025 Update MM14246
AB 09/18/2025 Medicare Claims Processing Manual, Chapter 18 Update: Hepatitis C Virus Preventive & Screening Services MM14119
AB 09/05/2025 DMEPOS Fee Schedule: October 2025 Quarterly Update MM14214
AB 09/05/2025 Clinical Laboratory Fee Schedule & Laboratory Services Subject to Reasonable Charge Payment: October 2025 Update MM14211
A 09/04/2025 Inpatient & Long-Term Care Hospital Prospective Payment Systems: FY 2026 Changes MM14203
AB 8-26-25 ICD-10 and other coding revisions to national coverage determinations: January 2026 update (2 of 2) (revised) MM14194
AB 8-21-25 ICD-10 and other coding revisions to national coverage determinations: January 2026 update (1 of 1) MM14197
A 8-15-25 Implementing the transforming episode accountability model: Skilled nursing facility 3-day rule waiver MM14098
AB 8-14-25 National coverage determination 20.38: Transcatheter edge-to-edge repair for tricuspid valve regurgitation MM14200
AB 8-14-25 ICD-10 and other coding revisions to national coverage determinations: January 2026 update (2 of 2) MM14194
AB 7-31-25 National coverage determination 20.37: Transcatheter tricuspid valve regurgitation MM14149
A 7-31-25 Bypassing common working file edits on inpatient Medicare Part B ancillary 12x claims: Effective date change MM14185
A 7-24-35 Acute kidney injury renal dialysis billing: Additional revenue codes  MM14159
AB 7-21-25 Laboratory national coverage determination edit software updates: October 2025 update  MM14153
A 07/17/2025 Medicare Severity Diagnosis-Related Groups Subject to Inpatient Prospective Payment System Replaced Devices Policy: FY 2026 Update MM14136