Clinical Quality Language Release 1 STU 3 (1.3)
Clinical Decision Support Work GroupMaturity Level: 4Ballot Status: STU 3

Expression Logical Model (ELM)

Expression Logical Model Schema Files are available here:

expression.xsd - Base expression schema

clinicalexpression.xsd - Clinical extensions to the base schema

cqlannotations.xsd - Cql annotations schema for including CQL source in ELM libraries

library.xsd - Library container schema

Model Info schema is available here:

modelinfo.xsd - Model info schema used by translation tooling to define model structures

NOTE: Model info is an implementation detail included here for convenience, it is not a normative part of the CQL specification.

XML Types schema that defines CQL system types in an XML schema: