Clinical Quality Language Release 1
This page is part of the Clinical Quality Language Specification (v1.5.2: Normative - Normative) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions 
| Clinical Decision Support Work Group | Maturity Level: N | Standards Status: Normative |
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
XML Types schema that defines CQL system types in an XML schema:
Model Info schema is available here:
modelinfo.xsd - Model info schema used by translation tooling to define model structures
Model info is an implementation detail included here for convenience, it is not a normative part of the CQL specification.