This page is part of the FHIR Specification (v5.0.0-ballot: FHIR R5 Ballot Preview). 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: R5 R4B R4
Vocabulary Work Group | Maturity Level: N/A | Standards Status: Informative |
Raw XML (canonical form + also see XML Format Specification)
Definition for Value SetExpression Language
<?xml version="1.0" encoding="UTF-8"?> <ValueSet xmlns="http://hl7.org/fhir"> <id value="expression-language"/> <meta> <lastUpdated value="2022-09-07T10:58:29.429+10:00"/> <profile value="http://hl7.org/fhir/StructureDefinition/shareablevalueset"/> </meta> <text> <status value="extensions"/> <div xmlns="http://www.w3.org/1999/xhtml"> <ul> <li> Include these codes as defined in <code> urn:ietf:bcp:13</code> <table class="none"> <tr> <td style="white-space:nowrap"> <b> Code</b> </td> <td> <b> Display</b> </td> <td> <b> Definition</b> </td> </tr> <tr> <td> text/cql</td> <td> CQL</td> <td> Clinical Quality Language</td> </tr> <tr> <td> text/fhirpath</td> <td> FHIRPath</td> <td> FHIRPath</td> </tr> <tr> <td> text/x-fhir-query</td> <td> FHIR Query</td> <td> FHIR's RESTful query syntax - typically independedent of base URL</td> </tr> <tr> <td> text/cql-identifier</td> <td> CQL Identifier</td> <td> A Clinical Quality Language identifier, typically the name of a top-level definition within a library</td> </tr> <tr> <td> text/cql-expression</td> <td> CQL Expression</td> <td> A Clinical Quality Language expression,</td> </tr> </table> </li> </ul> </div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"> <valueCode value="fhir"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="trial-use"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"> <valueInteger value="5"/> </extension> <url value="http://hl7.org/fhir/ValueSet/expression-language"/> <identifier> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.4.642.3.105"/> </identifier> <version value="5.0.0-ballot"/> <name value="ExpressionLanguage"/> <title value="Expression Language"/> <status value="draft"/> <experimental value="false"/> <date value="2022-09-07T10:58:29+10:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <description value="The media type of the expression language."/> <immutable value="true"/> <compose> <include> <system value="urn:ietf:bcp:13"/> <concept> <extension url="http://hl7.org/fhir/StructureDefinition/valueset-concept-definition"> <valueString value="Clinical Quality Language"/> </extension> <code value="text/cql"/> <display value="CQL"/> </concept> <concept> <extension url="http://hl7.org/fhir/StructureDefinition/valueset-concept-definition"> <valueString value="FHIRPath"/> </extension> <code value="text/fhirpath"/> <display value="FHIRPath"/> </concept> <concept> <extension url="http://hl7.org/fhir/StructureDefinition/valueset-concept-definition"> <valueString value="FHIR's RESTful query syntax - typically independedent of base URL"/> </extension> <code value="text/x-fhir-query"/> <display value="FHIR Query"/> </concept> <concept> <extension url="http://hl7.org/fhir/StructureDefinition/valueset-concept-definition"> <valueString value="A Clinical Quality Language identifier, typically the name of a top-level definition within a library"/> </extension> <code value="text/cql-identifier"/> <display value="CQL Identifier"/> </concept> <concept> <extension url="http://hl7.org/fhir/StructureDefinition/valueset-concept-definition"> <valueString value="A Clinical Quality Language expression,"/> </extension> <code value="text/cql-expression"/> <display value="CQL Expression"/> </concept> </include> </compose> </ValueSet>
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.