---
type: "codesystem"
title: "Naming System Type"
codesystem: "namingsystem-type"
---
# Naming System Type

- **Official URL**: http://hl7.org/fhir/namingsystem-type
- **Version**: 6.0.0
- **Status**: active
- **Name**: NamingSystemType
- **Title**: Naming System Type
- **Publisher**: HL7 (FHIR Project)
- **Description**: Identifies the purpose of the naming system.
- **Case Sensitive**: true
- **Content**: complete

## Concepts

| Code | Display | Definition |
| --- | --- | --- |
| codesystem | Code System | The naming system is used to define concepts and symbols to represent those concepts; e.g. UCUM, LOINC, NDC code, local lab codes, etc. |
| identifier | Identifier | The naming system is used to manage identifiers (e.g. license numbers, order numbers, etc.). |
| root | Root | The naming system is used as the root for other identifiers and naming systems. |

## CodeSystem XML



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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="namingsystem-type"/>
  <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="1"/>
  </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"/>
  <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."/>
  <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>
```