MLN Matters articles: 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 in 2026. Visit the CMS transmittals page for a complete listing of all MLNs issued nationwide.
2026 second quarter
| Line of business | Release date | Subject | MLN number |
|---|---|---|---|
| A | 4/20/2026 | Vaccine administration national fee schedule: July 2026 quarterly update | MM14470 |
| A | 4/14/2026 | Low-volume hospital payment adjustment & the Medicare - dependent hospital program: FY 2026 extensions | MM14415 |
| A | 4/10/2026 | Prospective payment system hospital interim billing: New monthly adjustment process | MM14416 |
| A | 4/10/2026 | Critical access hospitals: Certified registered nurse anesthetist bypass for reason codes 31006 & 31007 | MM14417 |
| B | 4/7/2026 | Ambulatory surgical center payment system: April 2026 update | MM14445 |
| A | 3/27/2026 | Hospital outpatient prospective payment system: April 2026 update | MM14380 |
| AB | 3/26/2026 | DMEPOS fee schedule: April 2026 quarterly update | MM14425 |
| AB | 3/26/2026 | HCPCS codes used for skilled nursing facility consolidated billing enforcement: July 2026 quarterly update | MM14427 |
Previous 2026 releases
| Line of business | Release date | Subject | MLN number |
|---|---|---|---|
| A | 2/20/2026 | Vaccine administration national fee schedule: April 2026 update | 14390 |
| B | 2/20/2026 | HCPCS codes and clinical laboratory improvement amendments edits: April 2026 | 14372 |
| AB | 2/20/2026 | Clinical laboratory fee schedule and laboratory services subject to reasonable charge payment: April 2026 update | 14371 |
| AB | 2/5/2026 | ICD-10 and other coding revisions to national coverage determinations: July 2026 update | 14356 |
| A | 1/28/2026 | Hospital outpatient prospective payment system: January 2026 update | 14361 |
| AB | 1/8/2026 | Travel allowance fees for specimen collection: CY 2026 updates | 14345 |