This page is part of the HL7 Terminology (v5.1.0: Release) based on FHIR R4. The current version which supercedes this version is 5.2.0. For a full list of available versions, see the Directory of published versions
: Uniform Resource Identifier (URI) - XML Representation
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<NamingSystem xmlns="http://hl7.org/fhir">
<id value="uri"/>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml"><h3>Summary</h3><table class="grid"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/uri</td></tr><tr><td>Name</td><td>URI</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>As defined by RFC 3986 (http://www.ietf.org/rfc/rfc3986.txt)(with many schemes defined in many RFCs). For OIDs and UUIDs, use the URN form (urn:oid:(note: lowercase) and urn:uuid:). See http://www.ietf.org/rfc/rfc3001.txt and http://www.ietf.org/rfc/rfc4122.txt</p>
<p>This oid is used as an identifier II.root to indicate the the extension is an absolute URI (technically, an IRI). Typically, this is used for OIDs and GUIDs. Note that when this OID is used with OIDs and GUIDs, the II.extension should start with urn:oid or urn:uuid:</p>
<p>Note that this OID is created to aid with interconversion between CDA and FHIR - FHIR uses urn:ietf:rfc:3986 as equivalent to this OID. URIs as identifiers appear more commonly in FHIR.</p>
<p>This OID may also be used in CD.codeSystem.</p>
</div></td></tr></table><h3>Identifiers</h3><table class="grid"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td></tr><tr><td>OID</td><td>2.16.840.1.113883.4.873</td><td>true</td></tr><tr><td>URI</td><td>urn:ietf:rfc:3986</td><td>true</td></tr></table></div>
</text>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/extension-title">
<valueString value="Uniform Resource Identifier (URI)"/>
</extension>
<extension
url="http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.url">
<valueUri value="http://terminology.hl7.org/NamingSystem/uri"/>
</extension>
<extension
url="http://terminology.hl7.org/StructureDefinition/ext-namingsystem-version">
<valueString value="1.0.0"/>
</extension>
<name value="URI"/>
<status value="active"/>
<kind value="identifier"/>
<date value="2022-02-07T00:00:00-00:00"/>
<description
value="As defined by RFC 3986 (http://www.ietf.org/rfc/rfc3986.txt)(with many schemes defined in many RFCs). For OIDs and UUIDs, use the URN form (urn:oid:(note: lowercase) and urn:uuid:). See http://www.ietf.org/rfc/rfc3001.txt and http://www.ietf.org/rfc/rfc4122.txt
This oid is used as an identifier II.root to indicate the the extension is an absolute URI (technically, an IRI). Typically, this is used for OIDs and GUIDs. Note that when this OID is used with OIDs and GUIDs, the II.extension should start with urn:oid or urn:uuid:
Note that this OID is created to aid with interconversion between CDA and FHIR - FHIR uses urn:ietf:rfc:3986 as equivalent to this OID. URIs as identifiers appear more commonly in FHIR.
This OID may also be used in CD.codeSystem."/>
<uniqueId>
<type value="oid"/>
<value value="2.16.840.1.113883.4.873"/>
<preferred value="true"/>
</uniqueId>
<uniqueId>
<type value="uri"/>
<value value="urn:ietf:rfc:3986"/>
<preferred value="true"/>
</uniqueId>
</NamingSystem>