Message Type (2.5 - 1.5.0) - HL7 v2.5 Vocabulary v0.2.0

HL7 v2.5 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 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.v25/ and changes regularly. See the Directory of published versions

ValueSet: Message Type (2.5 - 1.5.0) (Experimental)

Official URL: http://terminology.hl7.org/v2plusvocab/ValueSet/hl7VSmessageType				Version: 1.5.0
Active as of 2026-03-13				Computable Name: Hl7VSmessageType
Other Identifiers: OID:2.16.840.1.113883.21.33, urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#http://terminology.hl7.org/v2plusvocab/ValueSet/v2-0076
Copyright/Legal: HL7 Inc., 2026

Concepts which specify message types for HL7 Version 2.x messaging.

References

This value set is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)

Logical Definition (CLD)

Include all codes defined in http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType version 📍1.5.0

Expansion

Expansion performed internally based on codesystem Message Type (2.5 - 1.5.0) v1.5.0 (CodeSystem)

This value set contains 127 concepts

System	Code	Display (en)	Inactive	Definition	status	JSON	XML
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ACK	General acknowledgment message		General acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ADR	ADT response		ADT response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ADT	ADT message		ADT message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	BAR	Add/change billing account		Add/change billing account
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	BPS	Blood product dispense status message		Blood product dispense status message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	BRP	Blood product dispense status acknowledgement message		Blood product dispense status acknowledgement message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	BRT	Blood product transfusion/disposition acknowledgement message		Blood product transfusion/disposition acknowledgement message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	BTS	Blood product transfusion/disposition message		Blood product transfusion/disposition message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	CNQ	Cancel query	inactive	Cancel query	inactive
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	CRM	Clinical study registration message		Clinical study registration message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	CSU	Unsolicited study data message		Unsolicited study data message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	DFT	Detail financial transactions		Detail financial transactions
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	DOC	Document response		Document response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	DSR	Display response		Display response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	EAC	Automated equipment command message		Automated equipment command message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	EAN	Automated equipment notification message		Automated equipment notification message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	EAR	Automated equipment response message		Automated equipment response message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	EDR	Enhanced display response		Enhanced display response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	EQQ	Embedded query language query		Embedded query language query
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ERP	Event replay response		Event replay response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ERQ	Event replay query	inactive	Event replay query	inactive
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ESR	Automated equipment status update acknowledgment message		Automated equipment status update acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ESU	Automated equipment status update message		Automated equipment status update message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	INR	Automated equipment inventory request message		Automated equipment inventory request message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	INU	Automated equipment inventory update message		Automated equipment inventory update message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	LSR	Automated equipment log/service request message		Automated equipment log/service request message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	LSU	Automated equipment log/service update message		Automated equipment log/service update message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	MCF	Delayed Acknowledgment (Retained for backward compatibility only)	inactive	Delayed Acknowledgment (Retained for backward compatibility only)	inactive
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	MDM	Medical document management		Medical document management
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	MFD	Master files delayed application acknowledgment	inactive	Master files delayed application acknowledgment	inactive
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	MFK	Master files application acknowledgment		Master files application acknowledgment
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	MFN	Master files notification		Master files notification
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	MFQ	Master files query		Master files query
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	MFR	Master files response		Master files response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	NMD	Application management data message		Application management data message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	NMQ	Application management query message		Application management query message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	NMR	Application management response message		Application management response message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OMB	Blood product order message		Blood product order message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OMD	Dietary order		Dietary order
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OMG	General clinical order message		General clinical order message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OMI	Imaging order		Imaging order
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OML	Laboratory order message		Laboratory order message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OMN	Non-stock requisition order message		Non-stock requisition order message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OMP	Pharmacy/treatment order message		Pharmacy/treatment order message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OMS	Stock requisition order message		Stock requisition order message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORB	Blood product order acknowledgement message		Blood product order acknowledgement message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORD	Dietary order acknowledgment message		Dietary order acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORF	Query for results of observation		Query for results of observation
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORG	General clinical order acknowledgment message		General clinical order acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORI	Imaging order acknowledgement message		Imaging order acknowledgement message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORL	Laboratory acknowledgment message (unsolicited)		Laboratory acknowledgment message (unsolicited)
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORM	Pharmacy/treatment order message		Pharmacy/treatment order message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORN	Non-stock requisition - General order acknowledgment message		Non-stock requisition - General order acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORP	Pharmacy/treatment order acknowledgment message		Pharmacy/treatment order acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORR	General order response message response to any ORM		General order response message response to any ORM
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORS	Stock requisition - Order acknowledgment message		Stock requisition - Order acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ORU	Unsolicited transmission of an observation message		Unsolicited transmission of an observation message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OSQ	Query response for order status		Query response for order status
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OSR	Query response for order status		Query response for order status
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	OUL	Unsolicited laboratory observation message		Unsolicited laboratory observation message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PEX	Product experience message		Product experience message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PGL	Patient goal message		Patient goal message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PIN	Patient insurance information		Patient insurance information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PMU	Add personnel record		Add personnel record
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PPG	Patient pathway message (goal-oriented)		Patient pathway message (goal-oriented)
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PPP	Patient pathway message (problem-oriented)		Patient pathway message (problem-oriented)
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PPR	Patient problem message		Patient problem message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PPT	Patient pathway goal-oriented response		Patient pathway goal-oriented response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PPV	Patient goal response		Patient goal response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PRR	Patient problem response		Patient problem response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	PTR	Patient pathway problem-oriented response		Patient pathway problem-oriented response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	QBP	Query by parameter		Query by parameter
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	QCK	Query general acknowledgment		Deferred query
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	QCN	Cancel query		Cancel query
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	QRY	Query, original mode		Query, original mode
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	QSB	Create subscription		Create subscription
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	QSX	Cancel subscription/acknowledge message		Cancel subscription/acknowledge message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	QVR	Query for previous events		Query for previous events
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RAR	Pharmacy/treatment administration information		Pharmacy/treatment administration information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RAS	Pharmacy/treatment administration message		Pharmacy/treatment administration message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RCI	Return clinical information		Return clinical information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RCL	Return clinical list		Return clinical list
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RDE	Pharmacy/treatment encoded order message		Pharmacy/treatment encoded order message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RDR	Pharmacy/treatment dispense information		Pharmacy/treatment dispense information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RDS	Pharmacy/treatment dispense message		Pharmacy/treatment dispense message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RDY	Display based response		Display based response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	REF	Patient referral		Patient referral
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RER	Pharmacy/treatment encoded order information		Pharmacy/treatment encoded order information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RGR	Pharmacy/treatment dose information		Pharmacy/treatment dose information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RGV	Pharmacy/treatment give message		Pharmacy/treatment give message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ROC	Request clinical information	inactive	Request clinical information	inactive
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ROD	Request pateint demographics	inactive	Request pateint demographics	inactive
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	ROR	Pharmacy/treatment order response		Pharmacy/treatment order response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RPA	Return patient authorization		Return patient authorization
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RPI	Return patient information		Return patient information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RPL	Return patient display list		Return patient display list
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RPR	Return patient list		Return patient list
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RQA	Request patient authorization		Request patient authorization
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RQC	Request clinical information		Request clinical information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RQI	Request patient information		Request patient information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RQP	Request patient demographics		Request patient demographics
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RQQ	Event replay query		Event replay query
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RRA	Pharmacy/treatment administration acknowledgment message		Pharmacy/treatment administration acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RRD	Pharmacy/treatment dispense acknowledgment message		Pharmacy/treatment dispense acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RRE	Pharmacy/treatment encoded order acknowledgment message		Pharmacy/treatment encoded order acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RRG	Pharmacy/treatment give acknowledgment message		Pharmacy/treatment give acknowledgment message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RRI	Return referral information		Return referral information
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RSP	Segment pattern response		Segment pattern response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	RTB	Tabular response		Tabular response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	SIU	Schedule information unsolicited		Schedule information unsolicited
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	SPQ	Stored procedure request		Stored procedure request
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	SQM	Schedule query message		Schedule query message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	SQR	Schedule query response		Schedule query response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	SRM	Schedule request message		Schedule request message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	SRR	Scheduled request response		Scheduled request response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	SSR	Specimen status request message		Specimen status request message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	SSU	Specimen status update message		Specimen status update message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	SUR	Summary product experience report		Summary product experience report
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	TBR	Tabular data response		Tabular data response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	TCR	Automated equipment test code settings request message		Automated equipment test code settings request message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	TCU	Automated equipment test code settings update message		Automated equipment test code settings update message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	UDM	Unsolicited display update message		Unsolicited display update message
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	VQQ	Virtual table query		Virtual table query
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	VXQ	Query for vaccination record		Query for vaccination record
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	VXR	Vaccination record response		Vaccination record response
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	VXU	Unsolicited vaccination record update		Unsolicited vaccination record update
`http://terminology.hl7.org/v2plusvocab/CodeSystem/messageType`	VXX	Response for vaccination query with multiple PID matches		Response for vaccination query with multiple PID matches

Explanation of the columns that may appear on this page:

Level

A few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies

System

The source of the definition of the code (when the value set draws in codes defined elsewhere)

Code

The code (used as the code in the resource instance)

Display

The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application

Definition

An explanation of the meaning of the concept

Comments

Additional notes about how to use the code