http://terminology.hl7.org/CodeSystem/v2-0518|2.9

{
  "description" : "FHIR Value set/code system definition for HL7 v2 table 0518 ( Override type)",
  "compose" : null,
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "date" : null,
  "meta" : {
    "profile" : [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ]
  },
  "publisher" : "HL7, Inc",
  "content" : "complete",
  "name" : "v2.0518",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "v2 Override type",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "external"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0
  } ],
  "status" : "active",
  "language" : "en",
  "id" : "090efe84-d454-59e7-916e-48d2dcc9ba88",
  "url" : "http://terminology.hl7.org/CodeSystem/v2-0518",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.18.339",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "EQV",
    "display" : "Equivalence Override",
    "extension" : [ {
      "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString" : "Identifies an override where a service is being performed against an order that the system does not recognize as equivalent to the ordered service."
    } ]
  }, {
    "code" : "EXTN",
    "display" : "Extension Override",
    "extension" : [ {
      "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString" : "Identifies an override where a service is being performed for longer than the ordered period of time."
    } ]
  }, {
    "code" : "INLV",
    "display" : "Interval Override",
    "extension" : [ {
      "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString" : "Identifies an override where a repetition of service is being performed sooner than the ordered frequency."
    } ]
  } ],
  "version" : "2.9",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org",
      "system" : "url"
    } ]
  } ]
}