Back to top
Top
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

When did CMS begin using CQL in electronic clinical quality measures (eCQMs)?

CMS first implemented CQL beginning with the calendar year 2019 performance/reporting period eCQMs. CQL replaces the logic expressions previously defined in the Quality Data Model (QDM). Beginning with QDM v5.3, QDM includes only the conceptual model for defining the data elements (the data model).