http://terminology.hl7.org/CodeSystem/v3-AcknowledgementDetailType|2018-08-12

{
  "description" : " A code identifying the specific message to be provided.  Discussion:\\r\\nA textual value may be specified as the print name, or for non-coded messages, as the original text.  Examples:\\r\\n'Required attribute xxx is missing', 'System will be unavailable March 19 from 0100 to 0300'",
  "compose" : null,
  "package" : "hl7.fhir.r4.core@4.0.1",
  "date" : "2018-08-11T14:00:00Z",
  "meta" : {
    "lastUpdated" : "2018-08-12T00:00:00.000+10:00"
  },
  "publisher" : "HL7, Inc",
  "content" : "complete",
  "property" : [ {
    "uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "type" : "code",
    "description" : "A property that indicates the status of the concept. One of active, experimental, deprecated, retired"
  } ],
  "name" : "v3.AcknowledgementDetailType",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "v3 Code System AcknowledgementDetailType",
  "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",
  "hierarchyMeaning" : "is-a",
  "id" : "978343cb-2aae-5bec-bec9-990294dd8100",
  "valueSet" : "http://terminology.hl7.org/ValueSet/v3-AcknowledgementDetailType",
  "url" : "http://terminology.hl7.org/CodeSystem/v3-AcknowledgementDetailType",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.5.1082",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "E",
    "display" : "Error",
    "definition" : "Definition:An issue which has prevented, or will prevent (unless a management is provided for the issue by the sender), the successful processing of an interaction.  Response interactions which include an issue which is an Error are a 'rejection', indicating that the request was not successfully processed. \r\n\n                        \n                           Example:Unable to find specified patient."
  }, {
    "code" : "I",
    "display" : "Information",
    "definition" : "Definition: The message relates to an issue which has no bearing on the successful processing of the request.  Information issues cannot be overridden by specifying a management.\r\n\n                        \n                           Example: A Patient's coverage will expire in 5 days."
  }, {
    "code" : "W",
    "display" : "Warning",
    "definition" : "Definition: The message relates to an issue which cannot prevent the successful processing of a request, but which could result in the processing not having the ideal or intended effect.  Managing a warning issue is not required for successful processing, but will suppress the warning from being raised. \r\n\n                        \n                           Example:\n                        \r\n\n                        Unexpected additional repetitions of phone number have been ignored."
  }, {
    "code" : "ERR",
    "property" : [ {
      "code" : "status",
      "valueCode" : "retired"
    } ]
  }, {
    "code" : "INFO",
    "property" : [ {
      "code" : "status",
      "valueCode" : "retired"
    } ]
  }, {
    "code" : "WARN",
    "property" : [ {
      "code" : "status",
      "valueCode" : "retired"
    } ]
  } ],
  "caseSensitive" : true,
  "version" : "2018-08-12",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org",
      "system" : "url"
    } ]
  } ]
}