HL7 v2.2 Vocabulary
0.1.0 - ci-build

HL7 v2.2 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v22/ and changes regularly. See the Directory of published versions

## : Message Type (2.2 - 1.1.0) - JSON Representation

Active as of 2026-01-27

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    {
      "resourceType" : "CodeSystem",
      "id" : "messageType",
      "text" : {
        "status" : "generated",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><ul><li>Include all codes defined in <a href=\"CodeSystem-messageType.html\"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType</code></a></li></ul></div>"
      },
      "extension" : [
        {
          "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
          "valueString" : "2.2"
        },
        {
          "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
          "valueString" : "generate correct history somehow"
        },
        {
          "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
          "valueString" : "0076"
        }
      ],
      "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType",
      "identifier" : [
        {
          "system" : "urn:ietf:rfc:3986",
          "value" : "urn:oid:2.16.840.1.113883.18.30"
        }
      ],
      "version" : "1.1.0",
      "name" : "MessageType",
      "title" : "Message Type (2.2 - 1.1.0)",
      "status" : "active",
      "experimental" : true,
      "date" : "2026-01-27T19:16:46+00:00",
      "publisher" : "HL7/FO",
      "contact" : [
        {
          "name" : "HL7/FO",
          "telecom" : [
            {
              "system" : "url",
              "value" : "http://www.hl7.org"
            }
          ]
        }
      ],
      "description" : "HL7-defined code system of concepts which specify message types.  Used in HL7 Version 2.x messaging in the MSH segment.",
      "copyright" : "HL7 Inc., 2026",
      "caseSensitive" : true,
      "compositional" : false,
      "content" : "complete",
      "property" : [
        {
          "code" : "versionIntroduced",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced",
          "description" : "version when was this code introduced",
          "type" : "string"
        },
        {
          "code" : "versionDeprecated",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated",
          "description" : "version when was this code deprecated",
          "type" : "string"
        },
        {
          "code" : "status",
          "uri" : "http://hl7.org/fhir/concept-properties#status",
          "description" : "A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired",
          "type" : "code"
        },
        {
          "code" : "comment",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment",
          "description" : "A string that provides additional detail pertinent to the use or understanding of the concept",
          "type" : "string"
        },
        {
          "code" : "usage",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage",
          "description" : "usage notes for this code",
          "type" : "string"
        },
        {
          "code" : "modified",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified",
          "description" : "date of last modification",
          "type" : "dateTime"
        },
        {
          "code" : "chapter",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#chapter",
          "description" : "chapter",
          "type" : "string"
        },
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-property-valueset",
              "valueCanonical" : "http://terminology.hl7.org/v2plusvocab/ValueSet/hl7VShl7VSevent"
            }
          ],
          "code" : "event",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#event",
          "description" : "event",
          "type" : "code"
        }
      ],
      "concept" : [
        {
          "code" : "ACK",
          "display" : "General acknowledgement message",
          "definition" : "General acknowledgement message",
          "designation" : [
            {
              "language" : "de",
              "value" : "Empfangsbestätigung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "A01"
            },
            {
              "code" : "event",
              "valueCode" : "A02"
            },
            {
              "code" : "event",
              "valueCode" : "A03"
            },
            {
              "code" : "event",
              "valueCode" : "A04"
            },
            {
              "code" : "event",
              "valueCode" : "A05"
            },
            {
              "code" : "event",
              "valueCode" : "A06"
            },
            {
              "code" : "event",
              "valueCode" : "A07"
            },
            {
              "code" : "event",
              "valueCode" : "A08"
            },
            {
              "code" : "event",
              "valueCode" : "A09"
            },
            {
              "code" : "event",
              "valueCode" : "A10"
            },
            {
              "code" : "event",
              "valueCode" : "A11"
            },
            {
              "code" : "event",
              "valueCode" : "A12"
            },
            {
              "code" : "event",
              "valueCode" : "A13"
            },
            {
              "code" : "event",
              "valueCode" : "A14"
            },
            {
              "code" : "event",
              "valueCode" : "A15"
            },
            {
              "code" : "event",
              "valueCode" : "A16"
            },
            {
              "code" : "event",
              "valueCode" : "A17"
            },
            {
              "code" : "event",
              "valueCode" : "A18"
            },
            {
              "code" : "event",
              "valueCode" : "A20"
            },
            {
              "code" : "event",
              "valueCode" : "A21"
            },
            {
              "code" : "event",
              "valueCode" : "A22"
            },
            {
              "code" : "event",
              "valueCode" : "A23"
            },
            {
              "code" : "event",
              "valueCode" : "A24"
            },
            {
              "code" : "event",
              "valueCode" : "A25"
            },
            {
              "code" : "event",
              "valueCode" : "A26"
            },
            {
              "code" : "event",
              "valueCode" : "A27"
            },
            {
              "code" : "event",
              "valueCode" : "A28"
            },
            {
              "code" : "event",
              "valueCode" : "A29"
            },
            {
              "code" : "event",
              "valueCode" : "A30"
            },
            {
              "code" : "event",
              "valueCode" : "A31"
            },
            {
              "code" : "event",
              "valueCode" : "A32"
            },
            {
              "code" : "event",
              "valueCode" : "A33"
            },
            {
              "code" : "event",
              "valueCode" : "A34"
            },
            {
              "code" : "event",
              "valueCode" : "A35"
            },
            {
              "code" : "event",
              "valueCode" : "A36"
            },
            {
              "code" : "event",
              "valueCode" : "A37"
            },
            {
              "code" : "event",
              "valueCode" : "M01"
            },
            {
              "code" : "event",
              "valueCode" : "M02"
            },
            {
              "code" : "event",
              "valueCode" : "M03"
            },
            {
              "code" : "event",
              "valueCode" : "N01"
            },
            {
              "code" : "event",
              "valueCode" : "O01"
            },
            {
              "code" : "event",
              "valueCode" : "O02"
            },
            {
              "code" : "event",
              "valueCode" : "P01"
            },
            {
              "code" : "event",
              "valueCode" : "P02"
            },
            {
              "code" : "event",
              "valueCode" : "P03"
            },
            {
              "code" : "event",
              "valueCode" : "Q02"
            },
            {
              "code" : "event",
              "valueCode" : "Q03"
            },
            {
              "code" : "event",
              "valueCode" : "Q05"
            },
            {
              "code" : "event",
              "valueCode" : "R01"
            },
            {
              "code" : "event",
              "valueCode" : "R02"
            },
            {
              "code" : "event",
              "valueCode" : "R03"
            },
            {
              "code" : "event",
              "valueCode" : "R04"
            }
          ]
        },
        {
          "code" : "ADR",
          "display" : "ADT response",
          "definition" : "ADT response",
          "designation" : [
            {
              "language" : "de",
              "value" : "Antwort auf Anfrage bezüglich Aufnahme / Verlegung / Entlassung von Patienten"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "A19"
            }
          ]
        },
        {
          "code" : "ADT",
          "display" : "ADT message",
          "definition" : "ADT message",
          "designation" : [
            {
              "language" : "de",
              "value" : "Aufnahme / Entlassung / Verlegung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "A01"
            },
            {
              "code" : "event",
              "valueCode" : "A02"
            },
            {
              "code" : "event",
              "valueCode" : "A03"
            },
            {
              "code" : "event",
              "valueCode" : "A04"
            },
            {
              "code" : "event",
              "valueCode" : "A05"
            },
            {
              "code" : "event",
              "valueCode" : "A06"
            },
            {
              "code" : "event",
              "valueCode" : "A07"
            },
            {
              "code" : "event",
              "valueCode" : "A08"
            },
            {
              "code" : "event",
              "valueCode" : "A09"
            },
            {
              "code" : "event",
              "valueCode" : "A10"
            },
            {
              "code" : "event",
              "valueCode" : "A11"
            },
            {
              "code" : "event",
              "valueCode" : "A12"
            },
            {
              "code" : "event",
              "valueCode" : "A13"
            },
            {
              "code" : "event",
              "valueCode" : "A14"
            },
            {
              "code" : "event",
              "valueCode" : "A15"
            },
            {
              "code" : "event",
              "valueCode" : "A16"
            },
            {
              "code" : "event",
              "valueCode" : "A17"
            },
            {
              "code" : "event",
              "valueCode" : "A18"
            },
            {
              "code" : "event",
              "valueCode" : "A20"
            },
            {
              "code" : "event",
              "valueCode" : "A21"
            },
            {
              "code" : "event",
              "valueCode" : "A22"
            },
            {
              "code" : "event",
              "valueCode" : "A23"
            },
            {
              "code" : "event",
              "valueCode" : "A24"
            },
            {
              "code" : "event",
              "valueCode" : "A25"
            },
            {
              "code" : "event",
              "valueCode" : "A26"
            },
            {
              "code" : "event",
              "valueCode" : "A27"
            },
            {
              "code" : "event",
              "valueCode" : "A28"
            },
            {
              "code" : "event",
              "valueCode" : "A29"
            },
            {
              "code" : "event",
              "valueCode" : "A30"
            },
            {
              "code" : "event",
              "valueCode" : "A31"
            },
            {
              "code" : "event",
              "valueCode" : "A32"
            },
            {
              "code" : "event",
              "valueCode" : "A33"
            },
            {
              "code" : "event",
              "valueCode" : "A34"
            },
            {
              "code" : "event",
              "valueCode" : "A35"
            },
            {
              "code" : "event",
              "valueCode" : "A36"
            },
            {
              "code" : "event",
              "valueCode" : "A37"
            }
          ]
        },
        {
          "code" : "BAR",
          "display" : "Add / change billing account",
          "definition" : "Add / change billing account",
          "designation" : [
            {
              "language" : "de",
              "value" : "Hinzufügen / Ändern von Abrechnungsdaten"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "P01"
            },
            {
              "code" : "event",
              "valueCode" : "P02"
            }
          ]
        },
        {
          "code" : "DFT",
          "display" : "Detail financial transaction",
          "definition" : "Detail financial transaction",
          "designation" : [
            {
              "language" : "de",
              "value" : "Einzelbuchung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            },
            {
              "code" : "event",
              "valueCode" : "P03"
            }
          ]
        },
        {
          "code" : "DSR",
          "display" : "Display response",
          "definition" : "Display response",
          "designation" : [
            {
              "language" : "de",
              "value" : "Antwort im Anzeigeformat"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "P04"
            },
            {
              "code" : "event",
              "valueCode" : "Q01"
            },
            {
              "code" : "event",
              "valueCode" : "Q03"
            },
            {
              "code" : "event",
              "valueCode" : "R03"
            }
          ]
        },
        {
          "code" : "MCF",
          "display" : "Delayed acknowledgement",
          "definition" : "Delayed acknowledgement",
          "designation" : [
            {
              "language" : "de",
              "value" : "Verzögerte Empfangsbestätigung (veraltet; ACK benutzen)"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            }
          ]
        },
        {
          "code" : "MFD",
          "display" : "Master files delayed application acknowledgement",
          "definition" : "Master files delayed application acknowledgement",
          "designation" : [
            {
              "language" : "de",
              "value" : "Verzögerte Empfangsbestätigung für Stammdateiänderung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            },
            {
              "code" : "event",
              "valueCode" : "M01"
            },
            {
              "code" : "event",
              "valueCode" : "M02"
            },
            {
              "code" : "event",
              "valueCode" : "M03"
            }
          ]
        },
        {
          "code" : "MFK",
          "display" : "Master file application acknowledgement",
          "definition" : "Master file application acknowledgement",
          "designation" : [
            {
              "language" : "de",
              "value" : "Empfangsbestätigung für Stammdateiänderung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            },
            {
              "code" : "event",
              "valueCode" : "M01"
            },
            {
              "code" : "event",
              "valueCode" : "M02"
            },
            {
              "code" : "event",
              "valueCode" : "M03"
            }
          ]
        },
        {
          "code" : "MFN",
          "display" : "Master files notification",
          "definition" : "Master files notification",
          "designation" : [
            {
              "language" : "de",
              "value" : "Stammdateiänderung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            },
            {
              "code" : "event",
              "valueCode" : "M01"
            },
            {
              "code" : "event",
              "valueCode" : "M02"
            },
            {
              "code" : "event",
              "valueCode" : "M03"
            }
          ]
        },
        {
          "code" : "MFR",
          "display" : "Master files response",
          "definition" : "Master files response",
          "designation" : [
            {
              "language" : "de",
              "value" : "Antwort auf Stammdateianfrage"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            },
            {
              "code" : "event",
              "valueCode" : "M01"
            },
            {
              "code" : "event",
              "valueCode" : "M02"
            },
            {
              "code" : "event",
              "valueCode" : "M03"
            }
          ]
        },
        {
          "code" : "NMD",
          "display" : "Network management data",
          "definition" : "Network management data",
          "designation" : [
            {
              "language" : "de",
              "value" : "Asynchrone Statusmeldung eines Systems"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            },
            {
              "code" : "event",
              "valueCode" : "N01"
            }
          ]
        },
        {
          "code" : "NMQ",
          "display" : "Network management query",
          "definition" : "Network management query",
          "designation" : [
            {
              "language" : "de",
              "value" : "Anfrage / Kommando an ein anderes System im Netz"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            },
            {
              "code" : "event",
              "valueCode" : "N02"
            }
          ]
        },
        {
          "code" : "NMR",
          "display" : "Network management response",
          "definition" : "Network management response",
          "designation" : [
            {
              "language" : "de",
              "value" : "Antwort auf Anfrage / Kommando"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            },
            {
              "code" : "event",
              "valueCode" : "N02"
            }
          ]
        },
        {
          "code" : "ORF",
          "display" : "Observational result (record response)",
          "definition" : "Observational result (record response)",
          "designation" : [
            {
              "language" : "de",
              "value" : "Untersuchungsergebnisse"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "R04"
            }
          ]
        },
        {
          "code" : "ORM",
          "display" : "Order message",
          "definition" : "Order message",
          "designation" : [
            {
              "language" : "de",
              "value" : "Auftrag / Verordnung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "O01"
            }
          ]
        },
        {
          "code" : "ORR",
          "display" : "Order acknowledgement message",
          "definition" : "Order acknowledgement message",
          "designation" : [
            {
              "language" : "de",
              "value" : "Empfangsbestätigung von der Anwendung für einen Auftrag"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "O02"
            }
          ]
        },
        {
          "code" : "ORU",
          "display" : "Observational result (unsolicited)",
          "definition" : "Observational result (unsolicited)",
          "designation" : [
            {
              "language" : "de",
              "value" : "Nicht angeforderte Untersuchungsergebnisse"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "R01"
            }
          ]
        },
        {
          "code" : "OSQ",
          "display" : "Order status query",
          "definition" : "Order status query",
          "designation" : [
            {
              "language" : "de",
              "value" : "Anfrage nach Auftragsstatus"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            }
          ]
        },
        {
          "code" : "QRY",
          "display" : "Query",
          "definition" : "Query",
          "designation" : [
            {
              "language" : "de",
              "value" : "Anfrage"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            },
            {
              "code" : "event",
              "valueCode" : "A19"
            },
            {
              "code" : "event",
              "valueCode" : "P04"
            },
            {
              "code" : "event",
              "valueCode" : "Q01"
            },
            {
              "code" : "event",
              "valueCode" : "Q02"
            },
            {
              "code" : "event",
              "valueCode" : "R02"
            }
          ]
        },
        {
          "code" : "RAR",
          "display" : "Pharmacy administration information",
          "definition" : "Pharmacy administration information",
          "designation" : [
            {
              "language" : "de",
              "value" : "Antwort auf Anfrage bezüglich Verabreichung von Medikamenten"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RAS",
          "display" : "Pharmacy administration message",
          "definition" : "Pharmacy administration message",
          "designation" : [
            {
              "language" : "de",
              "value" : "Erfolgte Verabreichung von Medikamenten"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RDE",
          "display" : "Pharmacy encoded order message",
          "definition" : "Pharmacy encoded order message",
          "designation" : [
            {
              "language" : "de",
              "value" : "Medikamentenverordnung (Apotheke)"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RDR",
          "display" : "Pharmacy dispense information",
          "definition" : "Pharmacy dispense information",
          "designation" : [
            {
              "language" : "de",
              "value" : "Antwort auf Anfrage bezüglich Abgabe von Medikamenten"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RDS",
          "display" : "Pharmacy dispense message",
          "definition" : "Pharmacy dispense message",
          "designation" : [
            {
              "language" : "de",
              "value" : "Abgabe von Medikamenten"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RER",
          "display" : "Pharmacy encoded order information",
          "definition" : "Pharmacy encoded order information",
          "designation" : [
            {
              "language" : "de",
              "value" : "Antwort auf Anfrage bezüglich Medikamentenverordnung (Apotheke)"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RGR",
          "display" : "Pharmacy dose information",
          "definition" : "Pharmacy dose information",
          "designation" : [
            {
              "language" : "de",
              "value" : "Antwort auf Anfrage bezüglich Verabreichungsvorschrift für Medikamente"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RGV",
          "display" : "Pharmacy give message",
          "definition" : "Pharmacy give message",
          "designation" : [
            {
              "language" : "de",
              "value" : "Verabreichungsvorschrift für Medikamente"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "ROR",
          "display" : "Pharmacy prescription order response",
          "definition" : "Pharmacy prescription order response",
          "designation" : [
            {
              "language" : "de",
              "value" : "Antwort auf Anfrage bezüglich Medikamentenverordnung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RRA",
          "display" : "Pharmacy administration acknowledgment",
          "definition" : "Pharmacy administration acknowledgment",
          "designation" : [
            {
              "language" : "de",
              "value" : "Empfangsbestätigung für Verabreichungsmeldung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RRD",
          "display" : "Pharmacy dispense acknowledgment",
          "definition" : "Pharmacy dispense acknowledgment",
          "designation" : [
            {
              "language" : "de",
              "value" : "Empfangsbestätigung für Abgabemeldung"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RRE",
          "display" : "Pharmacy encoded order acknowledgment",
          "definition" : "Pharmacy encoded order acknowledgment",
          "designation" : [
            {
              "language" : "de",
              "value" : "Empfangsbestätigung für Verordnung (Apotheke)"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "RRG",
          "display" : "Pharmacy give acknowledgment",
          "definition" : "Pharmacy give acknowledgment",
          "designation" : [
            {
              "language" : "de",
              "value" : "Empfangsbestätigung für Verabreichungsvorschrift"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.2"
            }
          ]
        },
        {
          "code" : "UDM",
          "display" : "Unsolicited display message",
          "definition" : "Unsolicited display message",
          "designation" : [
            {
              "language" : "de",
              "value" : "Nicht angeforderte Nachricht im Anzeigeformat"
            }
          ],
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.1"
            },
            {
              "code" : "event",
              "valueCode" : "Q05"
            }
          ]
        }
      ]
    }