HL7 v2.3 Vocabulary
0.1.0 - ci-build

HL7 v2.3 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.v23/ and changes regularly. See the Directory of published versions

## CodeSystem: Message Type (2.3 - 1.2.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType | Version: 1.2.0
Active as of 2026-01-27 | Computable Name: MessageType
Other Identifiers: OID:2.16.840.1.113883.18.30
Copyright/Legal: HL7 Inc., 2026

HL7-defined code system of concepts which specify message types. Used in HL7 Version 2.x messaging in the MSH segment.

This Code system is referenced in the content logical definition of the following value sets:

- Hl7VSmessageType

Properties

This code system defines the following properties for its concepts

Name | Code | URI | Type | Description | Value Set
versionIntroduced | versionIntroduced | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced | string | version when was this code introduced |
versionDeprecated | versionDeprecated | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated | string | version when was this code deprecated |
status | status | http://hl7.org/fhir/concept-properties#status | code | A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired |
comment | comment | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment | string | A string that provides additional detail pertinent to the use or understanding of the concept |
usage | usage | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage | string | usage notes for this code |
modified | modified | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified | dateTime | date of last modification |
chapter | chapter | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#chapter | string | chapter |
event | event | http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#event | code | event | `http://terminology.hl7.org/v2plusvocab/ValueSet/hl7VShl7VSevent`

Concepts

This case-sensitive code system `http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType` defines the following codes:

Code | Display | Definition | versionIntroduced | status | modified | event | Deutsch (German, de)
ACK | General acknowledgment message | General acknowledgment message | 2.1 |  |  | A01, A02, A03, A04, A05, A06, A07, A08, A09, A10, A11, A12, A13, A14, A15, A16, A17, A18, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51, I07, P01, P02, P03, P05, P06, P09, PC1, PC2, PC3, PC4, PC5, PC6, PC7, PC8, PC9, PCA, PCB, PCC, PCD, PCE, PCF, PCG, PCH, PCJ, PCK, PCL, Q03, Q05, R01, R03, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23, S24, S26, T01, T02, T03, T04, T05, T06, T07, T08, T09, T10, T11 | Empfangsbestätigung
ADR | ADT response | ADT response | 2.1 |  | 2015-04-23 | A19 | Antwort auf Anfrage bezüglich Aufnahme / Verlegung / Entlassung von Patienten
ADT | ADT message | ADT message | 2.1 |  |  | A01, A02, A03, A04, A05, A06, A07, A08, A09, A10, A11, A12, A13, A14, A15, A16, A17, A18, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A30, A31, A32, A33, A34, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, A49, A50, A51 | Aufnahme / Entlassung / Verlegung
BAR | Add/change billing account | Add/change billing account | 2.1 |  |  | P01, P02, P05, P06 | Hinzufügen / Ändern von Abrechnungsdaten
CNQ | Cancel query | Cancel query | 2.3 |  |  |  | Stornierung der Anfrage
CSU | Unsolicited clinical study data | Unsolicited clinical study data | 2.3 |  |  | C09, C10, C11, C12 |
DFT | Detail financial transaction | Detail financial transaction | 2.2 |  |  | P03 | Einzelbuchung
DOC | Document Response | Document Response | 2.3 |  |  | T12 |
DSR | Display response | Display response | 2.1 |  |  | P04, Q01, Q03, R05 | Antwort im Anzeigeformat
EDR | Enhanced display response | Enhanced display response | 2.3 |  |  | Q01 |
EQQ | Embedded query language query | Embedded query language query | 2.3 |  |  | Q01 |
ERP | Event replay response | Event replay response | 2.3 |  |  | Q01 |
ERQ | Event replay query | Event replay query | 2.3 |  |  |  |
MCF | Delayed acknowledgment | Delayed acknowledgment | 2.1 |  |  |  |
MDM | Documentation message | Documentation message | 2.3 |  |  | T01, T02, T03, T04, T05, T06, T07, T08, T09, T10, T11 |
MFD | Master files delayed application ack | Master files delayed application ack | 2.2 |  |  |  |
MFK | Master files application ack | Master files application ack | 2.2 |  |  | M01, M02, M03, M04, M05, M06, M07, M08, M09, M10, M11 |
MFN | Master files notification | Master files notification | 2.2 |  |  | M01, M02, M03, M04, M05, M06, M07, M08, M09, M10, M11 | Stammdateiänderung
MFQ | Master files query | Master files query | 2.3 |  |  |  |
MFR | Master files query response | Master files query response | 2.2 |  |  |  | Antwort auf Stammdateianfrage
NMD | Network management data | Network management data | 2.2 | inactive | 2024-08-12 |  | Asynchrone Statusmeldung eines Systems
NMQ | Network management query | Network management query | 2.2 | inactive |  |  | Anfrage / Kommando an ein anderes System im Netz
NMR | Network management response | Network management response | 2.2 | inactive |  |  | Antwort auf Anfrage / Kommando
ORF | Observ. result/record response | Observ. result/record response | 2.1 |  |  | R04 | Untersuchungsergebnisse
ORM | Order message | Order message | 2.1 |  |  | O01 | Auftrag / Verordnung
ORR | Order acknowledgment message | Order acknowledgment message | 2.1 |  |  | O02 | Empfangsbestätigung von der Anwendung für einen Auftrag
ORU | Observ result/unsolicited | Observ result/unsolicited | 2.1 |  |  | R01, R03, W01 | Nicht angeforderte Untersuchungsergebnisse
OSQ | Order status query | Order status query | 2.1 |  |  | Q06 | Anfrage nach Auftragsstatus
OSR | Order status response | Order status response | 2.3 |  |  | Q06 |
PEX | Product experience | Product experience | 2.3 |  |  | P07, P08 |
PGL | Patient goal | Patient goal | 2.3 |  |  | PC6, PC7, PC8 |
PIN | Patient information | Patient information | 2.3 |  |  | I07 |
PPG | Patient Pathway (goal-oriented) message | Patient Pathway (goal-oriented) message | 2.3 |  |  | PCG, PCH, PCJ |
PPR | Patient problem | Patient problem | 2.3 |  |  | PC1, PC2, PC3 |
PPT | Patient Pathway (goal oriented) response | Patient Pathway (goal oriented) response | 2.3 |  |  | PCL |
PPV | Patient Goal Response | Patient Goal Response | 2.3 |  |  | PCA |
PRR | Patient Problem Response | Patient Problem Response | 2.3 |  |  | PC5 |
PTR | Patient Pathway (problem-oriented) response | Patient Pathway (problem-oriented) response | 2.3 |  |  | PCF |
QCK | Query General Acknowledgment | Query General Acknowledgment | 2.3 |  |  | Q02 |
QRY | Query, original Mode | Query, original Mode | 2.2 |  |  | A19, P04, PC4, PC9, PCE, PCK, Q01, Q02, R02, R05, T12 |
RAR | Pharmacy administration information | Pharmacy administration information | 2.2 |  |  | RAR | Antwort auf Anfrage bezüglich Verabreichung von Medikamenten
RAS | Pharmacy administration message | Pharmacy administration message | 2.2 |  |  | O01 | Erfolgte Verabreichung von Medikamenten
RCI | Return clinical information | Return clinical information | 2.3 |  |  | I05 |
RCL | Return clinical list | Return clinical list | 2.3 |  |  | I06 |
RDE | Pharmacy encoded order message | Pharmacy encoded order message | 2.2 |  |  | O01 | Medikamentenverordnung (Apotheke)
RDR | Pharmacy dispense information | Pharmacy dispense information | 2.2 |  |  | RDR | Antwort auf Anfrage bezüglich Abgabe von Medikamenten
RDS | Pharmacy dispense message | Pharmacy dispense message | 2.2 |  |  | O01 | Abgabe von Medikamenten
REF | Patient referral | Patient referral | 2.3 |  |  | I12, I13, I14, I15 | Überweisung eines Patienten
RER | Pharmacy encoded order information | Pharmacy encoded order information | 2.2 |  |  | RER | Antwort auf Anfrage bezüglich Medikamentenverordnung (Apotheke)
RGR | Pharmacy dose information | Pharmacy dose information | 2.2 |  |  | RGR | Antwort auf Anfrage bezüglich Verabreichungsvorschrift für Medikamente
RGV | Pharmacy give message | Pharmacy give message | 2.2 |  |  | O01 | Verabreichungsvorschrift für Medikamente
ROC | Request clinical information | Request clinical information | 2.3 |  |  |  |
ROD | Request pateint demographics | Request pateint demographics | 2.3 |  |  |  |
ROR | Pharmacy prescription order response | Pharmacy prescription order response | 2.2 |  |  | ROR | Antwort auf Anfrage bezüglich Medikamentenverordnung
RPA | Return patient authorization | Return patient authorization | 2.3 |  |  | I08, I09, I10, I11 |
RPI | Return patient information | Return patient information | 2.3 |  |  | I01, I04 |
RPL | Return patient display list | Return patient display list | 2.3 |  |  | I02 |
RPR | Return patient list | Return patient list | 2.3 |  |  | I03 |
RQA | Request patient authorization | Request patient authorization | 2.3 |  |  | I08, I09, I10, I11 |
RQC | Request Clinical Information | Request Clinical Information | 2.3 |  |  | I05, I06 |
RQI | Request patient information | Request patient information | 2.3 |  |  | I01, I02, I03 |
RQP | Request Patient Demographics | Request Patient Demographics | 2.3 |  |  | I04 |
RRA | Pharmacy administration acknowledgment | Pharmacy administration acknowledgment | 2.2 |  |  | O02 | Empfangsbestätigung für Verabreichungsmeldung
RRD | Pharmacy dispense acknowledgment | Pharmacy dispense acknowledgment | 2.2 |  |  | O02 | Empfangsbestätigung für Abgabemeldung
RRE | Pharmacy encoded order acknowledgment | Pharmacy encoded order acknowledgment | 2.2 |  |  | O02 | Empfangsbestätigung für Verordnung (Apotheke)
RRG | Pharmacy give acknowledgment | Pharmacy give acknowledgment | 2.2 |  |  | O02 | Empfangsbestätigung für Verabreichungsvorschrift
RRI | Return patient referral | Return patient referral | 2.3 |  |  | I12, I13, I14, I15 |
SIU | Schedule information unsolicited | Schedule information unsolicited | 2.3 |  |  | S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23, S24, S26 |
SPQ | Stored procedure request | Stored procedure request | 2.3 |  |  | Q01 |
SQM | Schedule query | Schedule query | 2.3 |  |  | S25 |
SQR | Schedule query response | Schedule query response | 2.3 |  |  | S25 |
SRM | Schedule request | Schedule request | 2.3 |  | 2015-04-23 | S01, S02, S03, S04, S05, S06, S07, S08, S09, S10, S11 |
SRR | Scheduled request response | Scheduled request response | 2.3 |  |  | S01, S02, S03, S04, S05, S06, S07, S08, S09, S10, S11 |
TBR | Tabular response | Tabular response | 2.3 |  |  | Q01 |
UDM | Unsolicited display message | Unsolicited display message | 2.1 |  |  | Q05 | Nicht angeforderte Nachricht im Anzeigeformat
VQQ | Virtual table query | Virtual table query | 2.3 |  |  | Q01 |
VXQ | Query for vaccination record | Query for vaccination record | 2.3 |  |  | V01 |
VXR | Vaccination query record response | Vaccination query record response | 2.3 |  |  | V03 |
VXU | Unsolicited vaccinnation record update | Unsolicited vaccinnation record update | 2.3 |  |  | V04 |
VXX | Vaccination query response with multiple PID matches | Vaccination query response with multiple PID matches | 2.3 |  |  | V02 |