CQL 1.2
The Clinical Quality Language Specification defines a representation for the expression of clinical knowledge that can be used within both the Clinical Decision Support (CDS) and Clinical Quality Measurement (CQM) domains.
This 1.2 release includes FHIRPath functionality, Media Types and JSON support, choice types, external library support, enhanced timing phrases, and numerous fixes and clarifications throughout. A detailed description of the changes can be found at the beginning of the specification.