Skip to main content
U.S. flag

An official website of the United States government

Return to Search

MLN006818 - Clinical Laboratory Fee Schedule

This revised product comprises Subregulatory Guidance for the Clinical Laboratory Fee Schedule and its content is based on publicly available information at,,, and

CMS policy or operation subject matter experts also reviewed/cleared this product. This product educates providers about how Medicare pays for Clinical Diagnostic Laboratory Tests and Advanced Diagnostic Laboratory Tests under the Clinical Laboratory Fee Schedule.

Revisions to this Product include the addition CLFS specimen collections fees and travel allowance, links to CLFS webpage for revised and delayed data reporting requirements, and phase-in of payment reductions.

Download the Guidance Document


Issued by: Centers for Medicare & Medicaid Services (CMS)

Issue Date: December 29, 2023

DISCLAIMER: The contents of this database lack the force and effect of law, except as authorized by law (including Medicare Advantage Rate Announcements and Advance Notices) or as specifically incorporated into a contract. The Department may not cite, use, or rely on any guidance that is not posted on the guidance repository, except to establish historical facts.