CLFS & Laboratory Services Subject to Reasonable Charge Payment: April 2025 Quarterly Update

Related CR Release Date: March 13, 2025
MLN Matters Number: MM13966
Effective Date: April 1, 2025
Related Change Request (CR) Number: CR 13966
Implementation Date: April 7, 2025
Related CR Transmittal Number: R13104CP

CR 13966 tells you about:

  • When the next Clinical Laboratory Fee Schedule (CLFS) reporting period for Clinical Diagnostic Laboratory Tests (CDLTs) begins
  • New and deleted CPT codes effective April 1, 2025

Make sure your billing staff knows about these changes.

View the complete CMS Medicare Learning Network (MLN) Matters (MM)13966.

Last Updated Mar 28 , 2025