Clinical Quality Language Specification
2.0.0-ballot - R2 STU 1 (Ballot)

This page is part of the Clinical Quality Language Specification (v2.0.0-ballot: R2 STU 1) based on FHIR (HL7® FHIR® Standard) R4. This version is a pre-release. The current official version is 1.5.3. For a full list of available versions, see the Directory of published versions

Table of Contents

.. 0 Table of Contents
... 1 CQL Specification
.... 1.1 Introduction
.... 1.2 Author's Guide
.... 1.3 Developer's Guide
.... 1.4 Logical Specification
.... 1.5 Language Semantics
.... 1.6 Translation Semantics
.... 1.7 Physical Representation
.... 1.8 Appendix A - CQL Syntax
.... 1.9 Appendix B - CQL Reference
.... 1.10 Appendix C - Reference Implementations
.... 1.11 Appendix D - References
.... 1.12 Appendix E - Acronyms
.... 1.13 Appendix F - Glossary
.... 1.14 Appendix G - Formatting Conventions
.... 1.15 Appendix H - Time Interval Calculations
.... 1.16 Appendix I - FHIRPath Translation
.... 1.17 Appendix J - List Of Tables
.... 1.18 Appendix K - List Of Figures
.... 1.19 Appendix L - CQL Syntax Diagrams
.... 1.20 Appendix M - Messages
... 2 Title
... 3 License
... 4 Executive Summary
... 5 Grammar
... 6 ELM
... 7 Examples
... 8 Tests
... 9 Downloads
... 10 Changes
.... 10.1 V1.1 Change Log
.... 10.2 V1.2 Change Log
.... 10.3 V1.3 Change Log
.... 10.4 V1.4 Change Log
.... 10.5 V1.5 Change Log
.... 10.6 V2.0 Change Log
... 11 Artifacts Summary
.... 11.1 CQL Message Category
.... 11.2 CQL Message Characteristic
.... 11.3 CQL Message Code
.... 11.4 CQL Message Severity
.... 11.5 CQL Message Source
.... 11.6 CQL Message Category Codes
.... 11.7 CQL Message Characteristic Codes
.... 11.8 CQL Message Codes
.... 11.9 CQL Message Severity Codes
.... 11.10 CQL Message Source Codes