MLN Matters articles: First quarter 2026
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 January through March. Visit the CMS transmittals page for a complete listing of all MLNs issued nationwide.
| Line of business | Release date | Subject | MLN number |
|---|---|---|---|
| AB | 1/8/2026 | Travel allowance fees for specimen collection: CY 2026 updates | 14345 |
| A | 1/28/2026 | Hospital outpatient prospective payment system: January 2026 update | 14361 |
| AB | 2/5/2026 | ICD-10 and other coding revisions to national coverage determinations: July 2026 update | 14356 |
| AB | 2/20/2026 | Clinical laboratory fee schedule and laboratory services subject to reasonable charge payment: April 2026 update | 14371 |
| B | 2/20/2026 | HCPCS codes and clinical laboratory improvement amendments edits: April 2026 | 14372 |
| A | 2/20/2026 | Vaccine administration national fee schedule: April 2026 update | 14390 |