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Now Available: Updated Clinical Quality Language (CQL) Style Guide for 2020 Reporting

May 15, 2019 - 3:36pm

The Centers for Medicare & Medicaid Services (CMS) has updated the Clinical Quality Language (CQL) Style Guide and published to the eCQI Resource Centerinfo-icon.   

CMS developed the CQL Style Guideinfo-icon to support development of the electronic specificationinfo-icon and maintenance of electronic clinical quality measuresinfo-icon (eCQMsinfo-icon) that clinicians and hospitals can potentially use for reporting to CMS quality programs via certified electronic health records (EHRsinfo-icon). This style guide is intended to be used as a reference for measure stewardsinfo-icon or developers who are developing or specifying eCQMs for potential future inclusion in CMS programs to align with CQL standards and best practices.

The purpose of the CQL Style Guide is to facilitate standardized expression of measure concepts across eCQMs and to promote consistency across eCQMinfo-icon logic using CQL. The guide includes information on standards and best practices for the use of CQL, and specifies libraries, definitions, aliases, argument names, and functions within the CQL framework. The updated CQL Style Guide contains clarifying language with updated examples in multiple sections, reflecting most recent use in context and alignmentinfo-icon with changes in standards. 

Questions on the CQL Style Guide should be directed to the eCQM Issue Tracker.

Last Updated: May 15, 2019