HL7 v2.7.1 Vocabulary
0.1.0 - ci-build

HL7 v2.7.1 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.v271/ and changes regularly. See the Directory of published versions

CodeSystem: Message Type (2.7.1 - 1.7.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType Version: 1.7.0
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:

Properties

This code system defines the following properties for its concepts

NameCodeURITypeDescriptionValue 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:

CodeDisplayDefinitionversionIntroducedstatususagemodifiedchaptereventDeutsch (German, de)
ACK General acknowledgment message General acknowledgment message 2.1 2 2 A01, A02, A03, A04, A05, A06, A07, A08, A09, A10, A11, A12, A13, A14, A15, A16, A17, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A31, A32, A33, A37, A38, A40, A41, A42, A43, A44, A45, A47, A49, A50, A51, A52, A53, A54, A55, A60, A61, A62, B01, B02, B03, B04, B05, B06, B07, B08, I07, J01, J02, N02, P01, P02, P03, P05, P06, P10, P11, P12, PC1, PC2, PC3, PC6, PC7, PC8, PCB, PCC, PCD, PCG, PCH, PCJ, Q05, Q16, Q17, R30, R31, R32, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23, S24, S26, S27, S28, S29, S30, S31, S32, S33, S34, S35, S36, S37, T01, T02, T03, T04, T05, T06, T07, T08, T09, T10, T11, U01, U02, U03, U04, U05, U06, U07, U08, U09, U10, U11, U12, U13 Empfangsbestätigung
ADR ADT response ADT response 2.1 inactive 3 - Deprecated 3 Antwort auf Anfrage bezüglich Aufnahme / Verlegung / Entlassung von Patienten
ADT ADT message ADT message 2.1 3 3 A01, A02, A03, A04, A05, A06, A07, A08, A09, A10, A11, A12, A13, A14, A15, A16, A17, A20, A21, A22, A23, A24, A25, A26, A27, A28, A29, A31, A32, A33, A37, A38, A40, A41, A42, A43, A44, A45, A47, A49, A50, A51, A52, A53, A54, A55, A60, A61, A62 Aufnahme / Entlassung / Verlegung
BAR Add/change billing account Add/change billing account 2.1 6 6 P01, P02, P05, P06, P10, P12 Hinzufügen / Ändern von Abrechnungsdaten
BPS Blood product dispense status message Blood product dispense status message 2.5 4 4
BRP Blood product dispense status acknowledgement message Blood product dispense status acknowledgement message 2.5 4 4
BRT Blood product transfusion/disposition acknowledgement message Blood product transfusion/disposition acknowledgement message 2.5 4 4
BTS Blood product transfusion/disposition message Blood product transfusion/disposition message 2.5 4 4
CCF Collaborative Care Fetch Collaborative Care Fetch 2.7 7 7 I22
CCI Collaborative Care Information Collaborative Care Information 2.7 7 7 I22
CCM Collaborative Care Message Collaborative Care Message 2.7 7 7
CCQ Collaborative Care Referral Collaborative Care Referral 2.7 7 7 I19
CCU Collaborative Care Referral Collaborative Care Referral 2.7 7 7
CNQ Cancel query Cancel query 2.3 inactive 2024-10-21 Stornierung der Anfrage
CQU Collaborative Care Referral Collaborative Care Referral 2.7 7 7 I19
CRM Clinical study registration message Clinical study registration message 2.3.1 7 7
CSU Unsolicited study data message Unsolicited study data message 2.3 7 7
DFT Detail financial transactions Detail financial transactions 2.2 6 6 P03, P11 Einzelbuchung
DOC Document response Document response 2.3 inactive 9 - Deprecated 9
DSR Display response Display response 2.1 inactive 5 - Deprecated 5 Antwort im Anzeigeformat
EAC Automated equipment command message Automated equipment command message 2.4 13 13 U07
EAN Automated equipment notification message Automated equipment notification message 2.4 13 13 U09
EAR Automated equipment response message Automated equipment response message 2.4 13 13 U08
EDR Enhanced display response Enhanced display response 2.3 inactive 2024-10-21
EHC Health Care Invoice Health Care Invoice 2.6 16 16
EQQ Embedded query language query Embedded query language query 2.3 inactive 2024-10-21
ERP Event replay response Event replay response 2.3 inactive 2024-10-21
ERQ Event replay query Event replay query 2.3 inactive 2024-10-21
ESR Automated equipment status update acknowledgment message Automated equipment status update acknowledgment message 2.4 13 13 U02
ESU Automated equipment status update message Automated equipment status update message 2.4 13 13 U01
INR Automated equipment inventory request message Automated equipment inventory request message 2.4 13 13 U06
INU Automated equipment inventory update message Automated equipment inventory update message 2.4 13 13 U05
LSR Automated equipment log/service request message Automated equipment log/service request message 2.4 13 13 U13
LSU Automated equipment log/service update message Automated equipment log/service update message 2.4 13 13 U12
MCF Delayed Acknowledgment (Retained for backward compatibility only) Delayed Acknowledgment (Retained for backward compatibility only) 2.1 inactive 2024-10-21
MDM Medical document management Medical document management 2.3 9 9 T01, T02, T03, T04, T05, T06, T07, T08, T09, T10, T11
MFD Master files delayed application acknowledgment Master files delayed application acknowledgment 2.2 inactive 8 - Deprecated 8
MFK Master files application acknowledgment Master files application acknowledgment 2.2 8 8 M02, M04, M05, M06, M07, M08, M09, M10, M11, M12, M13, M14, M15, M16, M17
MFN Master files notification Master files notification 2.2 8 8 M02, M04, M05, M06, M07, M08, M09, M10, M11, M12, M13, M14, M15, M16, M17 Stammdateiänderung
MFQ Master files query Master files query 2.3 inactive 8 - Deprecated 8
MFR Master files response Master files response 2.2 inactive 8 - Deprecated 8 Antwort auf Stammdateianfrage
NMD Application management data message Application management data message 2.2 14 14 N02
NMQ Application management query message Application management query message 2.2 inactive 14 - Deprecated 14
NMR Application management response message Application management response message 2.2 inactive 14 - Deprecated 14
OMB Blood product order message Blood product order message 2.5 4 4
OMD Dietary order Dietary order 2.4 4 4
OMG General clinical order message General clinical order message 2.4 4 4 allgemeiner Auftrag
OMI Imaging order Imaging order 2.5 4 4 Auftrag für bildgebende Untersuchung
OML Laboratory order message Laboratory order message 2.4 4 4 Laborauftrag
OMN Non-stock requisition order message Non-stock requisition order message 2.4 4 4
OMP Pharmacy/treatment order message Pharmacy/treatment order message 2.4 4 4
OMS Stock requisition order message Stock requisition order message 2.4 4 4
OPL Population/Location-Based Laboratory Order Message Population/Location-Based Laboratory Order Message 2.6 4 4
OPR Population/Location-Based Laboratory Order Acknowledgment Message Population/Location-Based Laboratory Order Acknowledgment Message 2.6 4 4
OPU Unsolicited Population/Location-Based Laboratory Observation Message Unsolicited Population/Location-Based Laboratory Observation Message 2.6 7 7
ORA Observation Report Acknowledgment Observation Report Acknowledgment 2.7 7 7
ORB Blood product order acknowledgement message Blood product order acknowledgement message 2.5 4 4
ORD Dietary order acknowledgment message Dietary order acknowledgment message 2.4 4 4
ORF Query for results of observation Query for results of observation 2.1 inactive 7 - Deprecated 7 Anfrage nach Untersuchungsergebnissen
ORG General clinical order acknowledgment message General clinical order acknowledgment message 2.4 4 4
ORI Imaging order acknowledgement message Imaging order acknowledgement message 2.5 4 4
ORL Laboratory acknowledgment message (unsolicited) Laboratory acknowledgment message (unsolicited) 2.4 7 7
ORM Pharmacy/treatment order message Pharmacy/treatment order message 2.1 inactive 4 - Deprecated 4
ORN Non-stock requisition - General order acknowledgment message Non-stock requisition - General order acknowledgment message 2.4 4 4
ORP Pharmacy/treatment order acknowledgment message Pharmacy/treatment order acknowledgment message 2.4 4 4
ORR General order response message response to any ORM General order response message response to any ORM 2.1 inactive 4 - Deprecated 4 Empfangsbestätigung von der Anwendung für einen Auftrag
ORS Stock requisition - Order acknowledgment message Stock requisition - Order acknowledgment message 2.4 4 4
ORU Unsolicited transmission of an observation message Unsolicited transmission of an observation message 2.1 7 7 R01, R30, R31, R32 Nicht angeforderte Untersuchungsergebnisse
OSM Specimen Shipment Message Specimen Shipment Message 2.7 7 7
OSQ Query response for order status Query response for order status 2.1 inactive 4 - Deprecated 4
OSR Query response for order status Query response for order status 2.3 inactive 4 - Deprecated 4
OUL Unsolicited laboratory observation message Unsolicited laboratory observation message 2.4 7 7
PEX Product experience message Product experience message 2.3 7 7
PGL Patient goal message Patient goal message 2.3 12 12 PC6, PC7, PC8
PIN Patient insurance information Patient insurance information 2.3 11 11 I07
PMU Add personnel record Add personnel record 2.4 15 15 B01, B02, B03, B04, B05, B06, B07, B08
PPG Patient pathway message (goal-oriented) Patient pathway message (goal-oriented) 2.3 12 12 PCG, PCH, PCJ
PPP Patient pathway message (problem-oriented) Patient pathway message (problem-oriented) 2.3.1 12 12 PCB, PCC, PCD
PPR Patient problem message Patient problem message 2.3 12 12 PC1, PC2, PC3
PPT Patient pathway goal-oriented response Patient pathway goal-oriented response 2.3 12 12
PPV Patient goal response Patient goal response 2.3 12 12
PRR Patient problem response Patient problem response 2.3 12 12
PTR Patient pathway problem-oriented response Patient pathway problem-oriented response 2.3 12 12
QBP Query by parameter Query by parameter 2.4 5 5 E03, E22, Znn
QCK Query general acknowledgment Deferred query 2.3 inactive 5 - Deprecated 2015-08-21 5
QCN Cancel query Cancel query 2.4 5 5 J01
QRY Query, original mode Query, original mode 2.2 3 3
QSB Create subscription Create subscription 2.4 5 5 Q16
QSX Cancel subscription/acknowledge message Cancel subscription/acknowledge message 2.4 5 5 J02
QVR Query for previous events Query for previous events 2.4 5 5 Q17
RAR Pharmacy/treatment administration information Pharmacy/treatment administration information 2.2 inactive 4 - Deprecated 4
RAS Pharmacy/treatment administration message Pharmacy/treatment administration message 2.2 4 4 Erfolgte Verabreichung von Medikamenten
RCI Return clinical information Return clinical information 2.3 11 11 I05
RCL Return clinical list Return clinical list 2.3 11 11 I06
RDE Pharmacy/treatment encoded order message Pharmacy/treatment encoded order message 2.2 4 4 Medikamentenverordnung (Apotheke)
RDR Pharmacy/treatment dispense information Pharmacy/treatment dispense information 2.2 4 4 Antwort auf Anfrage bezüglich Abgabe von Medikamenten
RDS Pharmacy/treatment dispense message Pharmacy/treatment dispense message 2.2 4 4 Abgabe von Medikamenten
RDY Display based response Display based response 2.4 5 5
REF Patient referral Patient referral 2.3 11 11 I12, I13, I14, I15 Überweisung eines Patienten
RER Pharmacy/treatment encoded order information Pharmacy/treatment encoded order information 2.2 inactive 4 - Deprecated 4 Antwort auf Anfrage bezüglich Medikamentenverordnung (Apotheke)
RGR Pharmacy/treatment dose information Pharmacy/treatment dose information 2.2 inactive 4 - Deprecated 4 Antwort auf Anfrage bezüglich Verabreichungsvorschrift für Medikamente
RGV Pharmacy/treatment give message Pharmacy/treatment give message 2.2 4 4 Verabreichungsvorschrift für Medikamente
ROC Request clinical information Request clinical information 2.3 inactive 2024-10-21
ROD Request pateint demographics Request pateint demographics 2.3 inactive 2024-10-21
ROR Pharmacy/treatment order response Pharmacy/treatment order response 2.2 inactive 4 - Deprecated 4 Antwort auf Anfrage bezüglich Medikamentenverordnung
RPA Return patient authorization Return patient authorization 2.3 11 11 I08, I09, I10, I11
RPI Return patient information Return patient information 2.3 11 11 I01, I04
RPL Return patient display list Return patient display list 2.3 11 11 I02
RPR Return patient list Return patient list 2.3 11 11 I03
RQA Request patient authorization Request patient authorization 2.3 11 11 I08, I09, I10, I11
RQC Request clinical information Request clinical information 2.3 11 11 I05, I06
RQI Request patient information Request patient information 2.3 11 11 I01, I02, I03
RQP Request patient demographics Request patient demographics 2.3 11 11 I04
RQQ Event replay query Event replay query 2.3.1 inactive 2024-10-21
RRA Pharmacy/treatment administration acknowledgment message Pharmacy/treatment administration acknowledgment message 2.2 4 4 Empfangsbestätigung für Verabreichungsmeldung
RRD Pharmacy/treatment dispense acknowledgment message Pharmacy/treatment dispense acknowledgment message 2.2 4 4 Empfangsbestätigung für Abgabemeldung
RRE Pharmacy/treatment encoded order acknowledgment message Pharmacy/treatment encoded order acknowledgment message 2.2 4 4 Empfangsbestätigung für Verordnung (Apotheke)
RRG Pharmacy/treatment give acknowledgment message Pharmacy/treatment give acknowledgment message 2.2 4 4 Empfangsbestätigung für Verabreichungsvorschrift
RRI Return referral information Return referral information 2.3 11 11 I12, I13, I14, I15
RSP Segment pattern response Segment pattern response 2.4 5 5 E03, E22
RTB Tabular response Tabular response 2.4 5 5 Znn
SCN Notification of Anti-Microbial Device Cycle Data Notification of Anti-Microbial Device Cycle Data 2.6 17 17 S37
SDN Notification of Anti-Microbial Device Data Notification of Anti-Microbial Device Data 2.6 17 17 S36
SDR Sterilization anti-microbial device data request Sterilization anti-microbial device data request 2.6 17 17 S31
SIU Schedule information unsolicited Schedule information unsolicited 2.3 10 10 S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23, S24, S26, S27
SLN Notification of New Sterilization Lot Notification of New Sterilization Lot 2.6 17 17 S34, S35
SLR Sterilization lot request Sterilization lot request 2.6 17 17 S28, S29
SMD Sterilization anti-microbial device cycle data request Sterilization anti-microbial device cycle data request 2.6 17 17 S32
SPQ Stored procedure request Stored procedure request 2.3 inactive 2024-10-21
SQM Schedule query message Schedule query message 2.3 inactive 10 - Deprecated 10
SQR Schedule query response Schedule query response 2.3 inactive 10 - Deprecated 10
SRM Schedule request message Schedule request message 2.3 10 10 S01, S02, S03, S04, S05, S06, S07, S08, S09, S10, S11
SRR Scheduled request response Scheduled request response 2.3 10 10 S01, S02, S03, S04, S05, S06, S07, S08, S09, S10, S11
SSR Specimen status request message Specimen status request message 2.4 13 13 U04
SSU Specimen status update message Specimen status update message 2.4 13 13 U03
STC Notification of Sterilization Configuration Notification of Sterilization Configuration 2.6 17 17 S33
STI Sterilization item request Sterilization item request 2.6 17 17 S30
SUR Summary product experience report Summary product experience report 2.3.1 inactive 7 - Deprecated 7
TBR Tabular data response Tabular data response 2.3 inactive 5 - Deprecated 5
TCR Automated equipment test code settings request message Automated equipment test code settings request message 2.4 13 13 U11
TCU Automated equipment test code settings update message Automated equipment test code settings update message 2.4 13 13 U10
UDM Unsolicited display update message Unsolicited display update message 2.1 5 5 Q05 Nicht angeforderte Nachricht im Anzeigeformat
VQQ Virtual table query Virtual table query 2.3 inactive 2024-08-12
VXQ Query for vaccination record Query for vaccination record 2.3 inactive 4 - Deprecated 4
VXR Vaccination record response Vaccination record response 2.3 inactive 4 - Deprecated 4
VXU Unsolicited vaccination record update Unsolicited vaccination record update 2.3 4 4
VXX Response for vaccination query with multiple PID matches Response for vaccination query with multiple PID matches 2.3 inactive 4 -Deprecated 4