http://hl7.org/fhir/namingsystem-identifier-type|4.0.1

{
  "description" : "Identifies the style of unique identifier used to identify a namespace.",
  "compose" : null,
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "date" : "2019-10-31T22:29:23Z",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "publisher" : "HL7 (FHIR Project)",
  "content" : "complete",
  "name" : "NamingSystemIdentifierType",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "NamingSystemIdentifierType",
  "supliment" : null,
  "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
  } ],
  "status" : "draft",
  "id" : "dcb9fd56-03d4-5b48-9691-78ac19355023",
  "valueSet" : "http://hl7.org/fhir/ValueSet/namingsystem-identifier-type",
  "url" : "http://hl7.org/fhir/namingsystem-identifier-type",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.493",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "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."
  } ],
  "caseSensitive" : true,
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org/fhir",
      "system" : "url"
    }, {
      "value" : "fhir@lists.hl7.org",
      "system" : "email"
    } ]
  } ]
}