# hl7.cql#2.0.0: Clinical Quality Language Specification

## Pages

* [CQL Specification](index.md)
* [Appendix D - References](11-d-references.md)
* [V2.0 Change Log](v2.0-changelog.md)
* [Appendix C - Reference Implementations](10-c-referenceimplementations.md)
* [Appendix J - List Of Tables](17-j-listoftables.md)
* [Executive Summary](00-executivesummary.md)
* [Appendix A - CQL Syntax](08-a-cqlsyntax.md)
* [License](license.md)
* [Author's Guide](02-authorsguide.md)
* [Downloads](downloads.md)
* [Appendix B - CQL Reference](09-b-cqlreference.md)
* [Appendix K - List Of Figures](18-k-listoffigures.md)
* [V1.5 Change Log](v1.5-changelog.md)
* [Examples](examples.md)
* [Appendix I - FHIRPath Translation](16-i-fhirpathtranslation.md)
* [Title](title.md)
* [V1.4 Change Log](v1.4-changelog.md)
* [Artifacts Summary](artifacts.md)
* [Translation Semantics](06-translationsemantics.md)
* [Developer's Guide](03-developersguide.md)
* [Language Semantics](05-languagesemantics.md)
* [Appendix E - Acronyms](12-e-acronyms.md)
* [V1.2 Change Log](v1.2-changelog.md)
* [Physical Representation](07-physicalrepresentation.md)
* [Appendix G - Formatting Conventions](14-g-formattingconventions.md)
* [V1.1 Change Log](v1.1-changelog.md)
* [Grammar](grammar.md)
* [Appendix F - Glossary](13-f-glossary.md)
* [V1.3 Change Log](v1.3-changelog.md)
* [Appendix H - Time Interval Calculations](15-h-timeintervalcalculations.md)
* [Appendix M - Messages](20-m-messages.md)
* [Appendix L - CQL Syntax Diagrams](19-l-cqlsyntaxdiagrams.md)
* [Introduction](01-introduction.md)
* [Changes](changes.md)
* [ELM](elm.md)
* [Tests](tests.md)
* [Logical Specification](04-logicalspecification.md)

## Resources

### CodeSystems

* [CQL Capability Characteristic Codes](CodeSystem-cql-capability-characteristic-codes.md)
* [CQL Language Capability Codes](CodeSystem-cql-language-capabilities.md)
* [CQL Message Category Codes](CodeSystem-cql-message-category-codes.md)
* [CQL Message Characteristic Codes](CodeSystem-cql-message-characteristic-codes.md)
* [CQL Message Codes](CodeSystem-cql-message-codes.md)
* [CQL Message Severity Codes](CodeSystem-cql-message-severity-codes.md)
* [CQL Message Source Codes](CodeSystem-cql-message-source-codes.md)

### ValueSets

* [CQL Capability Characteristic Codes](ValueSet-cql-capability-characteristic-codes.md)
* [CQL Language Capability](ValueSet-cql-language-capability.md)
* [CQL Message Category](ValueSet-cql-message-category.md)
* [CQL Message Characteristic](ValueSet-cql-message-characteristic.md)
* [CQL Message Code](ValueSet-cql-message-code.md)
* [CQL Message Severity](ValueSet-cql-message-severity.md)
* [CQL Message Source](ValueSet-cql-message-source.md)

### ImplementationGuides

* [Clinical Quality Language Specification](index.md)