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Development

eCQM Tool -
(Last updated: Oct 22, 2024)
Clinical Quality Language (CQL) Execution Framework is a set of JavaScript libraries that can execute CQL artifacts expressed as JavaScript Object Notation Expression Logical Model.
eCQM Tool -
(Last updated: Oct 22, 2024)
The Clinical Quality Language (CQL) Formatting and Usage Wiki is a collaborative workspace for the development of CQL formatting conventions and usage patterns for the representation of logic within quality measures. All users have editing rights, able to submit edits, add comments and concerns.…
eCQM Tool -
(Last updated: Apr 29, 2025)
A Clinical Quality Language (CQL) library is a container for artifact logic/expressions. A CQL library contains declarations which specify the items found in the library. Every electronic clinical quality measure has at least one CQL library. For more information, see the Quality Data Model (QDM)-…
eCQM Tool -
(Last updated: Oct 22, 2024)
Clinical Quality Language (CQL) Runner is an online platform for ad hoc testing of CQL.
eCQM Tool -
(Last updated: Dec 02, 2024)
The CQL-to-ELM Translator is an open-source reference implementation that translates the high-level Clinical Quality Language (CQL) syntax into the Expression Logical Model (ELM) representation. The reference implementation is used in support of Clinical Quality Framework implementations as a…
eCQM Tool -
(Last updated: Jun 02, 2025)
A CQMCommonQDM Library (formerly known as Global Common Library) is a shared Clinical Quality Language (CQL) library which contains CQL expressions for all eCQM developers to use when specifying electronic clinical quality measures. For more information, see the CQL Style Guide located the on the…
eCQM Tool -
(Last updated: Oct 22, 2024)
The De Novo Measure Scan (DNMS) is an advanced feature of the Environmental Scan Support Tool (ESST) on the controlled access CMS Measures Inventory Tool (CMIT) site. You must have a CMIT login to access. The DNMS helps measure developers conduct…
eCQM Tool -
(Last updated: Oct 22, 2024)
This document describes the versions of the standards and code systems used in conjunction with the updated eCQMs for potential use in CMS programs for a given reporting/performance period.
eCQM Tool -
(Last updated: Nov 19, 2024)
The Measure Collaboration Workspace Electronic Clinical Quality Measures (eCQM) Concepts Module gives users the ability to suggest new eCQM concepts and comment on other's suggested eCQM concepts.CMS encourages all stakeholders, including patients and point of care clinicians, to suggest eCQM…
eCQM Tool -
(Last updated: Dec 16, 2024)
The Electronic Clinical Quality Measure (eCQM) Testing Opportunities Module within the eCQI Resource Center’s Measure Collaboration Workspace enables eCQM developers to announce testing opportunities. This module allows developers to evaluate various aspects of eCQMs, including feasibility,…