{
  "resourceType": "CodeSystem",
  "id": "namingsystem-identifier-type",
  "meta": {
    "lastUpdated": "2018-12-27T22:37:54.724+11:00"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 1
    }
  ],
  "url": "http://hl7.org/fhir/namingsystem-identifier-type",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.1.493"
    }
  ],
  "version": "4.0.0",
  "name": "NamingSystemIdentifierType",
  "title": "NamingSystemIdentifierType",
  "status": "draft",
  "experimental": false,
  "date": "2018-12-27T22:37:54+11:00",
  "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.",
  "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": "other",
      "display": "Other",
      "definition": "Some other type of unique identifier; e.g. HL7-assigned reserved string such as LN for LOINC."
    }
  ]
}