Release 4B

This page is part of the FHIR Specification (v4.3.0: R4B - STU). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4

4.3.14.50 Code System http://hl7.org/fhir/expression-language

FHIR Infrastructure Work Group Maturity Level: 5Trial Use Use Context: Any

This is a code system defined by the FHIR project.

Summary

Defining URL:http://hl7.org/fhir/expression-language
Version:4.3.0
Name:ExpressionLanguage
Title:ExpressionLanguage
Definition:

The media type of the expression language.

Committee:FHIR Infrastructure Work Group
OID:2.16.840.1.113883.4.642.1.106 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

4.3.14.50.1 Content

This code system http://hl7.org/fhir/expression-language defines the following codes:

CodeDisplayDefinition
text/cql CQLClinical Quality Language.
text/fhirpath FHIRPathFHIRPath.
application/x-fhir-query FHIR QueryFHIR's RESTful query syntax - typically independent of base URL.
text/cql-identifier CQL IdentifierA valid Clinical Quality Language identifier.
text/cql-expression CQL ExpressionA Clinical Quality Language expression.

 

See the full registry of code systems defined as part of FHIR.

Explanation of the columns that may appear on this page:

LevelA few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
DisplayThe display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code