This page is part of the FHIR Specification (v5.0.0: R5 - STU). This is the current published version. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4
Example CodeSystem/extension-context-type (XML)
Raw XML (canonical form + also see XML Format Specification)
Definition for Code SystemExtensionContextType
<?xml version="1.0" encoding="UTF-8"?>
<CodeSystem xmlns="http://hl7.org/fhir">
<id value="extension-context-type"/>
<meta>
<lastUpdated value="2023-03-26T15:21:02.749+11:00"/>
<profile value="http://hl7.org/fhir/StructureDefinition/shareablecodesystem"/>
</meta>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml">
<p> This code system
<code> http://hl7.org/fhir/extension-context-type</code> defines the following codes:
</p>
<table class="codes">
<tr>
<td style="white-space:nowrap">
<b> Code</b>
</td>
<td>
<b> Display</b>
</td>
<td>
<b> Definition</b>
</td>
</tr>
<tr>
<td style="white-space:nowrap">fhirpath
<a name="extension-context-type-fhirpath"> </a>
</td>
<td> FHIRPath</td>
<td> The context is all elements that match the FHIRPath query found in the expression.</td>
</tr>
<tr>
<td style="white-space:nowrap">element
<a name="extension-context-type-element"> </a>
</td>
<td> Element ID</td>
<td> The context is any element that has an ElementDefinition.id that matches that found
in the expression. This includes ElementDefinition Ids that have slicing identifiers.
The full path for the element is [url]#[elementid]. If there is no #, the Element
id is one defined in the base specification.</td>
</tr>
<tr>
<td style="white-space:nowrap">extension
<a name="extension-context-type-extension"> </a>
</td>
<td> Extension URL</td>
<td> The context is a particular extension from a particular StructureDefinition, and
the expression is just a uri that identifies the extension.</td>
</tr>
</table>
</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="normative"/>
</extension>
<extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
<valueCode value="4.0.0"/>
</extension>
<extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
<valueInteger value="5"/>
</extension>
<url value="http://hl7.org/fhir/extension-context-type"/>
<identifier>
<system value="urn:ietf:rfc:3986"/>
<value value="urn:oid:2.16.840.1.113883.4.642.4.1013"/>
</identifier>
<version value="5.0.0"/>
<name value="ExtensionContextType"/>
<title value="Extension Context Type"/>
<status value="active"/>
<experimental value="false"/>
<date value="2021-01-05T10:01:24+11:00"/>
<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="How an extension context is interpreted."/>
<jurisdiction>
<coding>
<system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
<code value="001"/>
<display value="World"/>
</coding>
</jurisdiction>
<caseSensitive value="true"/>
<valueSet value="http://hl7.org/fhir/ValueSet/extension-context-type"/>
<content value="complete"/>
<concept>
<code value="fhirpath"/>
<display value="FHIRPath"/>
<definition value="The context is all elements that match the FHIRPath query found in the expression."/>
</concept>
<concept>
<code value="element"/>
<display value="Element ID"/>
<definition value="The context is any element that has an ElementDefinition.id that matches that found
in the expression. This includes ElementDefinition Ids that have slicing identifiers.
The full path for the element is [url]#[elementid]. If there is no #, the Element
id is one defined in the base specification."/>
</concept>
<concept>
<code value="extension"/>
<display value="Extension URL"/>
<definition value="The context is a particular extension from a particular StructureDefinition, and
the expression is just a uri that identifies the extension."/>
</concept>
</CodeSystem>
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.