Release 4B Ballot #1

This page is part of the FHIR Specification (v4.1.0: Release 4B Ballot #1). 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

Codesystem-extension-context-type.xml

FHIR Infrastructure Work GroupMaturity Level: N/AStandards Status: Informative

Raw XML (canonical form + also see XML Format Specification)

Definition for Code System ExtensionContextType

<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="extension-context-type"/> 
  <meta> 
    <lastUpdated value="2021-03-11T17:06:20.662+11:00"/> 
    <profile value="http://hl7.org/fhir/StructureDefinition/shareablecodesystem"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      
      
      <h2> ExtensionContextType</h2> 
      
      
      <div> 
        
        
        <p> How an extension context is interpreted.</p> 

      
      
      </div> 
      
      
      <p> This code system http://hl7.org/fhir/extension-context-type 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="4.1.0"/> 
  <name value="ExtensionContextType"/> 
  <title value="ExtensionContextType"/> 
  <status value="active"/> 
  <experimental value="false"/> 
  <date value="2021-01-17T07:06:13+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."/> 
  <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.