Number: 14371 
Release Date: February 20, 2026
Effective Date: April 1, 2026 
Implementation Date: April 6, 2026
Transmittal Number: R13639CP

CR 14371 tells you about:

• The next data reporting period for clinical diagnostic laboratory tests (CDLTs) 
• New CPT codes, effective April 1, 2026

Make sure your billing staff knows about Clinical Laboratory Fee Schedule (CLFS) updates

View the complete CMS Medicare Learning Network (MLN) Matters (MM)14371.