<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="namingsystem-type"/><meta><lastUpdated value="2026-03-31T18:55:04.283+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem namingsystem-type</b></p><a name="namingsystem-type"> </a><a name="hcnamingsystem-type"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/namingsystem-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">codesystem<a name="namingsystem-type-codesystem"> </a></td><td>Code System</td><td>The naming system is used to define concepts and symbols to represent those concepts; e.g. UCUM, LOINC, NDC code, local lab codes, etc.</td></tr><tr><td style="white-space:nowrap">identifier<a name="namingsystem-type-identifier"> </a></td><td>Identifier</td><td>The naming system is used to manage identifiers (e.g. license numbers, order numbers, etc.).</td></tr><tr><td style="white-space:nowrap">root<a name="namingsystem-type-root"> </a></td><td>Root</td><td>The naming system is used as the root for other identifiers and naming systems.</td></tr></table></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="vocab"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"><valueCode value="normative"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"><valueInteger value="4"/></extension><url value="http://hl7.org/fhir/namingsystem-type"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.4.491"/></identifier><identifier><use value="old"/><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.1.484"/></identifier><identifier><use value="old"/><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.2.290"/></identifier><version value="6.0.0-ballot4"/><name value="NamingSystemType"/><title value="Naming System 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="Identifies the purpose of the naming system."/><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/namingsystem-type"/><content value="complete"/><concept><code value="codesystem"/><display value="Code System"/><definition value="The naming system is used to define concepts and symbols to represent those concepts; e.g. UCUM, LOINC, NDC code, local lab codes, etc."/></concept><concept><code value="identifier"/><display value="Identifier"/><definition value="The naming system is used to manage identifiers (e.g. license numbers, order numbers, etc.)."/></concept><concept><code value="root"/><display value="Root"/><definition value="The naming system is used as the root for other identifiers and naming systems."/></concept></CodeSystem>