Clinical Quality Language (CQL) is a high-level, domain-specific language focused on clinical quality and targeted at measure and decision support artifact authors. Smile CDR has an embedded CQL engine allowing the evaluation of clinical knowledge artifacts that use CQL to describe their logic.
A more detailed description of CQL is available at the CQL Specification Implementation Guide
The FHIR Clinical Reasoning module defines a set of resources, profiles, operations, etc. that can be used to work with clinical knowledge within FHIR. Smile CDR provides implementation for some of those operations, described in more detail below.
Smile CDR provides implementations for some operations using CQL in DSTU3 and R4:
For large populations of subjects, Smile CDR offers a scalable, distributed Digital Quality Measure engine as a premium solution.