{
  "resourceType": "CodeSystem",
  "id": "namingsystem-identifier-type",
  "meta": {
    "lastUpdated": "2026-05-18T12:49:36.371+00:00"
  },
  "text": {
    "status": "generated",
    "div": "\u003cdiv xmlns\u003d\"http://www.w3.org/1999/xhtml\"\u003e\u003cp class\u003d\"res-header-id\"\u003e\u003cb\u003eGenerated Narrative: CodeSystem namingsystem-identifier-type\u003c/b\u003e\u003c/p\u003e\u003ca name\u003d\"namingsystem-identifier-type\"\u003e \u003c/a\u003e\u003ca name\u003d\"hcnamingsystem-identifier-type\"\u003e \u003c/a\u003e\u003cp\u003eThis case-sensitive code system \u003ccode\u003ehttp://hl7.org/fhir/namingsystem-identifier-type\u003c/code\u003e defines the following codes:\u003c/p\u003e\u003ctable class\u003d\"codes\"\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003e\u003cb\u003eCode\u003c/b\u003e\u003c/td\u003e\u003ctd\u003e\u003cb\u003eDisplay\u003c/b\u003e\u003c/td\u003e\u003ctd\u003e\u003cb\u003eDefinition\u003c/b\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003eoid\u003ca name\u003d\"namingsystem-identifier-type-oid\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eOID\u003c/td\u003e\u003ctd\u003e\u003cdiv\u003e\u003cp\u003eAn ISO object identifier; e.g. 1.2.3.4.5.\u003c/p\u003e\n\u003c/div\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003euuid\u003ca name\u003d\"namingsystem-identifier-type-uuid\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eUUID\u003c/td\u003e\u003ctd\u003e\u003cdiv\u003e\u003cp\u003eA universally unique identifier of the form a5afddf4-e880-459b-876e-e4591b0acc11.\u003c/p\u003e\n\u003c/div\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003euri\u003ca name\u003d\"namingsystem-identifier-type-uri\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eURI\u003c/td\u003e\u003ctd\u003e\u003cdiv\u003e\u003cp\u003eA uniform resource identifier (ideally a URL - uniform resource locator); e.g. http://unitsofmeasure.org.\u003c/p\u003e\n\u003c/div\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003eiri-stem\u003ca name\u003d\"namingsystem-identifier-type-iri-stem\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eIRI stem\u003c/td\u003e\u003ctd\u003e\u003cdiv\u003e\u003cp\u003eAn IRI string that can be prepended to the code to obtain a concept IRI for RDF applications. This should be a valid, absolute IRI as defined in RFC 3987. See \u003ca href\u003d\"rdf.html#iri-stem\"\u003ethe RDF spec\u003c/a\u003e for details on how this value may be used.\u003c/p\u003e\n\u003c/div\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003ev2csmnemonic\u003ca name\u003d\"namingsystem-identifier-type-v2csmnemonic\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eV2CSMNemonic\u003c/td\u003e\u003ctd\u003e\u003cdiv\u003e\u003cp\u003eA short string published by HL7 for use in the V2 family of standsrds to idenfify a code system in the V12 coded data types CWE, CNE, and CF. The code values are also published by HL7 at http://www.hl7.org/Special/committees/vocab/table_0396/index.cfm\u003c/p\u003e\n\u003c/div\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003eother\u003ca name\u003d\"namingsystem-identifier-type-other\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eOther\u003c/td\u003e\u003ctd\u003e\u003cdiv\u003e\u003cp\u003eSome other type of unique identifier; e.g. HL7-assigned reserved string such as LN for LOINC.\u003c/p\u003e\n\u003c/div\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/table\u003e\u003c/div\u003e"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "vocab"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "normative"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 4
    }
  ],
  "url": "http://hl7.org/fhir/namingsystem-identifier-type",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.4.493"
    },
    {
      "use": "old",
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.1.486"
    },
    {
      "use": "old",
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.2.293"
    }
  ],
  "version": "6.0.0-ballot4",
  "name": "NamingSystemIdentifierType",
  "title": "Naming System Identifier Type",
  "status": "active",
  "experimental": false,
  "date": "2023-01-26T15:53:48Z",
  "publisher": "HL7 (FHIR Project)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        },
        {
          "system": "email",
          "value": "fhir@lists.hl7.org"
        }
      ]
    }
  ],
  "description": "Identifies the style of unique identifier used to identify a namespace.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/namingsystem-identifier-type",
  "content": "complete",
  "concept": [
    {
      "code": "oid",
      "display": "OID",
      "definition": "An ISO object identifier; e.g. 1.2.3.4.5."
    },
    {
      "code": "uuid",
      "display": "UUID",
      "definition": "A universally unique identifier of the form a5afddf4-e880-459b-876e-e4591b0acc11."
    },
    {
      "code": "uri",
      "display": "URI",
      "definition": "A uniform resource identifier (ideally a URL - uniform resource locator); e.g. http://unitsofmeasure.org."
    },
    {
      "code": "iri-stem",
      "display": "IRI stem",
      "definition": "An IRI string that can be prepended to the code to obtain a concept IRI for RDF applications. This should be a valid, absolute IRI as defined in RFC 3987. See [the RDF spec](rdf.html#iri-stem) for details on how this value may be used."
    },
    {
      "code": "v2csmnemonic",
      "display": "V2CSMNemonic",
      "definition": "A short string published by HL7 for use in the V2 family of standsrds to idenfify a code system in the V12 coded data types CWE, CNE, and CF. The code values are also published by HL7 at http://www.hl7.org/Special/committees/vocab/table_0396/index.cfm"
    },
    {
      "code": "other",
      "display": "Other",
      "definition": "Some other type of unique identifier; e.g. HL7-assigned reserved string such as LN for LOINC."
    }
  ]
}