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HL7 Messages


Health Level-7 or HL7 EDI is a set of international standards for exchanging, integrating and sharing healthcare messages between hospitals or systems.

Message Event 2.0 2.0D 2.1 2.2 2.3 2.3.1 2.4 2.5 2.5.1 2.6 Description
ACK - General acknowledgment message
ADR - ADT response
ADR A19 Patient query
ADT - ADT message
ADT A01 Admit/visit notification
ADT A02 Transfer a patient
ADT A03 Discharge/end visit
ADT A04 Register a patient
ADT A05 Pre-admit a patient
ADT A06 Change an outpatient to an inpatient
ADT A07 Change an inpatient to an outpatient
ADT A08 Update patient information
ADT A09 Patient departing - tracking
ADT A10 Patient arriving - tracking
ADT A11 Cancel admit/visit notification
ADT A12 Cancel transfer
ADT A13 Cancel discharge/end visit
ADT A14 Pending admit
ADT A15 Pending transfer
ADT A16 Pending discharge
ADT A17 Swap patients
ADT A18 Merge patient information
ADT A19 Patient query
ADT A20 Bed status update
ADT A21 Patient goes on a "leave of absence"
ADT A22 Patient returns from a "leave of absence"
ADT A23 Delete a patient record
ADT A24 Link patient information
ADT A25 Cancel pending discharge
ADT A26 Cancel pending transfer
ADT A27 Cancel pending admit
ADT A28 Add person information
ADT A29 Delete person information
ADT A30 Merge person information
ADT A31 Update person information
ADT A32 Cancel patient arriving - tracking
ADT A33 Cancel patient departing - tracking
ADT A34 Merge patient information - patient ID only
ADT A35 Merge patient information - account number only
ADT A36 Merge patient information - patient ID and account number
ADT A37 Unlink patient information
ADT A38 Cancel pre-admit
ADT A39 Merge person - patient ID
ADT A40 Merge patient - patient identifier list
ADT A41 Merge account - patient account number
ADT A42 Merge visit - visit number
ADT A43 Move patient information - patient identifier list
ADT A44 Move account information - patient account number
ADT A45 Move visit information - visit number
ADT A46 Change patient ID
ADT A47 Change patient identifier list
ADT A48 Change alternate patient ID
ADT A49 Change patient account number
ADT A50 Change visit number
ADT A51 Change alternate visit ID
ADT A52 Cancel leave of absence for a patient
ADT A53 Cancel patient returns from a leave of absence
ADT A54 Change attending doctor
ADT A55 Cancel change attending doctor
ADT A60 Update allergy information
ADT A61 Change consulting doctor
ADT A62 Cancel change consulting doctor
ARD - Ancillary Report (Display)
ARD A19 Patient query
BAR - Add/Change Billing Account
BAR P01 Add patient accounts
BAR P02 Purge patient accounts
BAR P05 Update account
BAR P06 End account
BAR P10 Transmit Ambulatory Payment Classification (APC)
BAR P12 Update Diagnosis/Procedure
BPS O29 Blood product dispense status
BRP O30 Blood product dispense status acknowledgment
BRT O32 Blood product transfusion/disposition acknowledgment
BTS O31 Blood product transfusion/disposition
CRM - Clinical study registration
CRM C01 Register a patient on a clinical trial
CRM C02 Cancel a patient registration on clinical trial (for clerical mistakes only)
CRM C03 Correct/update registration information
CRM C04 Patient has gone off a clinical trial
CRM C05 Patient enters phase of clinical trial
CRM C06 Cancel patient entering a phase (clerical mistake)
CRM C07 Correct/update phase information
CRM C08 Patient has gone off phase of clinical trial
CSU - Unsolicited clinical study data
CSU C09 Automated time intervals for reporting, like monthly
CSU C10 Patient completes the clinical trial
CSU C11 Patient completes a phase of the clinical trial
CSU C12 Update/correction of patient order/result information
DFT - Detail financial transaction
DFT P03 Post detail financial transaction
DFT P11 Post Detail Financial Transactions - New
DOC - Document Response
DOC T12 Document query
DSR - Display response
DSR Q01 Query sent for immediate response
DSR Q03 Deferred response to a query
DSR Q05 Unsolicited display update
DSR R03 Display-oriented results, query/unsol. update (for backward compatibility only)
DSR R05 query for display results
EAC U07 Automated equipment command
EAN U09 Automated equipment notification
EAR U08 Automated equipment response
EDR - Enhanced display response
EDR R07 Enhanced Display Response
EHC E01 Submit HealthCare Services Invoice
EHC E02 Cancel HealthCare Services Invoice
EHC E04 Re-Assess HealthCare Services Invoice Request
EHC E10 Edit/Adjudication Results
EHC E12 Request Additional Information
EHC E13 Additional Information Response
EHC E15 Payment/Remittance Advice
EHC E20 Submit Authorization Request
EHC E21 Cancel Authorization Request
EHC E24 Authorization Response
EQQ - Embedded query language query
EQQ Q04 Embedded query language query
ERP - Event replay response
ERP R09 Event Replay Response
ESR U02 Automated equipment status request
ESU U01 Automated equipment status update
INR U06 Automated equipment inventory request
INU U05 Automated equipment inventory update
LSR U13 Automated equipment log/service request
LSU U12 Automated equipment log/service update
MCF - Delayed Acknowledgement
MDM T01 Original document notification
MDM T02 Original document notification and content
MDM T03 Document status change notification
MDM T04 Document status change notification and content
MDM T05 Document addendum notification
MDM T06 Document addendum notification and content
MDM T07 Document edit notification
MDM T08 Document edit notification and content
MDM T09 Document replacement notification
MDM T10 Document replacement notification and content
MDM T11 Document cancel notification
MFD - Master files delayed application acknowledgment
MFD MFA Master files delayed application acknowledgment
MFD P09 Summary product experience report
MFK - Master files application acknowledgment
MFK M01 Master file not otherwise specified
MFK M02 Master file - staff practitioner
MFK M03 Master file - test/observation
MFK M04 Master files charge description
MFK M05 Patient location master file
MFK M06 Clinical study with phases and schedules master file
MFK M07 Clinical study without phases but with schedules master file
MFK M08 Test/observation (numeric) master file
MFK M09 Test/observation (categorical) master file
MFK M10 Test/observation batteries master file
MFK M11 Test/calculated observations master file
MFK M12 Master file notification message
MFK M13 Master file notification - general
MFK M14 Master file notification - site defined
MFK M15 Inventory item master file notification
MFK M16 Master File Notification Inventory Item Enhanced
MFK M17 DRG Master File Message
MFN - Master files notification
MFN M01 Master file not otherwise specified
MFN M02 Master file - staff practitioner
MFN M03 Master file - test/observation
MFN M04 Master files charge description
MFN M05 Patient location master file
MFN M06 Clinical study with phases and schedules master file
MFN M07 Clinical study without phases but with schedules master file
MFN M08 Test/observation (numeric) master file
MFN M09 Test/observation (categorical) master file
MFN M10 Test/observation batteries master file
MFN M11 Test/calculated observations master file
MFN M12 Master file notification message
MFN M13 Master file notification - general
MFN M14 Master File Notification - Site Defined
MFN M15 Inventory item master file notification
MFN M16 Master File Notification Inventory Item Enhanced
MFN M17 DRG Master File Message
MFN Z14 Master file notification Z14
MFQ - Master files query
MFQ M01 Master file not otherwise specified
MFQ M02 Master file - staff practitioner
MFQ M03 Master file - test/observation
MFQ M04 Master files charge description
MFQ M05 Patient location master file
MFQ M06 Clinical study with phases and schedules master file
MFQ M07 Clinical study without phases but with schedules master file
MFQ M08 Test/observation (numeric) master file
MFQ M09 Test/observation (categorical) master file
MFQ M10 Test/observation batteries master file
MFQ M11 Test/calculated observations master file
MFQ M12 Master file notification message
MFQ M13 Master file notification - general
MFQ M14 Master file notification - site defined
MFQ M15 Inventory item master file notification
MFQ M16 Master File Notification Inventory Item Enhanced
MFQ M17 DRG Master File Message
MFR - Master files query response
MFR M01 Master file not otherwise specified
MFR M02 Master file - staff practitioner
MFR M03 Master file - test/observation
MFR M04 Master files charge description
MFR M05 Patient location master file
MFR M06 Clinical study with phases and schedules master file
MFR M07 Clinical study without phases but with schedules master file
MFR M08 Test/observation (numeric) master file
MFR M09 Test/observation (categorical) master file
MFR M10 Test/observation batteries master file
MFR M11 Test/calculated observations master file
MFR M12 Master file notification message
MFR M13 Master file notification - general
MFR M14 Master file notification - site defined
MFR M15 Inventory item master file notification
MFR M16 Master File Notification Inventory Item Enhanced
MFR M17 DRG Master File Message
NMD - Network Management Data
NMD N02 Application management data message (unsolicited)
NMQ - Network management query message
NMQ N01 Application management query message
NMR - Network Management Response
NMR N01 Application management query message
NUL - Null Message
OCF - Order Confirmation
OMB O27 Blood product order
OMD O01 Order message (also RDE, RDS, RGV, RAS)
OMD O03 Diet order
OMG O19 General clinical order
OMI O23 Imaging order
OML O21 Laboratory order
OML O33 Laboratory order for multiple orders related to a single specimen
OML O35 Laboratory order for multiple orders related to a single container of a specimen
OMN O01 Order message (also RDE, RDS, RGV, RAS)
OMN O07 Non-stock requisition order
OMP O09 Pharmacy/treatment order
OMS O01 Order message (also RDE, RDS, RGV, RAS)
OMS O05 Stock requisition order
OMX - Observation Definition Message (OM1..OM6)
OPL O37 Population/Location-Based Laboratory Order Message
OPR O38 Population/Location-Based Laboratory Order Acknowledgment Message
OPU R25 Unsolicited Population/Location-Based Laboratory Observation Message
ORB O28 Blood product order acknowledgment
ORD O02 Order response (also RRE, RRD, RRG, RRA)
ORD O04 Diet order acknowledgment
ORF - Observation result/record response
ORF R02 Query for results of observation
ORF R04 Response to query; transmission of requested observation
ORG O20 General clinical order response
ORI O24 Imaging order response message to any OMI
ORL O22 General laboratory order response message to any OML
ORL O34 Laboratory order response message to a multiple order related to single specimen OML
ORL O36 Laboratory order response message to a single container of a specimen OML
ORM - Order message
ORM O01 Order message (also RDE, RDS, RGV, RAS)
ORM Z01 Dietary Order
ORM Z03 Stock Requisition Order Message
ORM Z05 Nonstock Requisition Order Message
ORM Z07 Pharmacy/treatment Order Message
ORN O02 Order response (also RRE, RRD, RRG, RRA)
ORN O08 Non-stock requisition acknowledgment
ORP O10 Pharmacy/treatment order acknowledgment
ORR - Order acknowledgement message
ORR O02 Order response (also RRE, RRD, RRG, RRA)
ORR Z02 General Order Acknowledgment Message
ORR Z04 General Order Acknowledgment Message
ORR Z06 General Order Acknowledgment Message
ORR Z08 Pharmacy/treatment Order Acknowledgment Message
ORS O02 Order response (also RRE, RRD, RRG, RRA)
ORS O06 Stock requisition acknowledgment
ORU - Observation result/unsolicited
ORU R01 Unsolicited transmission of an observation message
ORU R30 Unsolicited Point-Of-Care Observation Message Without Existing Order - Place An Order
ORU R31 Unsolicited New Point-Of-Care Observation Message - Search For An Order
ORU R32 Unsolicited Pre-Ordered Point-Of-Care Observation
ORU W01 Waveform result, unsolicited transmission of requested information
OSQ - Order status query
OSQ Q06 Query for order status
OSR - Order status response
OSR Q06 Query for order status
OUL R21 Unsolicited laboratory observation
OUL R22 Unsolicited Specimen Oriented Observation Message
OUL R23 Unsolicited Specimen Container Oriented Observation Message
OUL R24 Unsolicited Order Oriented Observation Message
PEX - Product experience
PEX P07 Unsolicited initial individual product experience report
PEX P08 Unsolicited update individual product experience report
PGL - Patient goal
PGL PC6 PC/goal add
PGL PC7 PC/goal update
PGL PC8 PC/goal delete
PIN - Patient Information
PIN I07 Unsolicited insurance information
PMU B01 Add personnel record
PMU B02 Update personnel record
PMU B03 Delete personnel re cord
PMU B04 Active practicing person
PMU B05 Deactivate practicing person
PMU B06 Terminate practicing person
PMU B07 Grant Certificate/Permission
PMU B08 Revoke Certificate/Permission
PPG - Patient pathway (goal-oriented) message
PPG PCG PC/pathway (goal-oriented) add
PPG PCH PC/pathway (goal-oriented) update
PPG PCJ PC/pathway (goal-oriented) delete
PPP - Patient pathway (problem-oriented)
PPP PCB PC/pathway (problem-oriented) add
PPP PCC PC/pathway (problem-oriented) update
PPP PCD PC/pathway (problem-oriented) delete
PPR - Patient problem
PPR PC1 PC/problem add
PPR PC2 PC/problem update
PPR PC3 PC/problem delete
PPT PCL PC/pathway (goal-oriented) query response
PPV - Patient goal response
PPV PCA PC/goal response
PRR - Patient problem response
PRR PC5 PC/problem response
PTR PCF PC/pathway (problem-oriented) query response
QBP - Query by parameter
QBP E03 HealthCare Services Invoice Status
QBP E22 Authorization Request Status
QBP K13 Response Grammar: RTB Message
QBP Q11 Query by parameter requesting an RSP segment pattern response
QBP Q13 Query by parameter requesting an RTB - tabular response
QBP Q15 Query by parameter requesting an RDY display response
QBP Q21 Get person demographics
QBP Q22 Find candidates
QBP Q23 Get corresponding identifiers
QBP Q24 Allocate identifiers
QBP Q25 Get person demographics
QBP Q31 Query Dispense history
QBP Z73 Query by parameter Z73
QBP Z75 Query by parameter Z75
QBP Z77 Query by parameter Z77
QBP Z79 Query by parameter Z79
QBP Z81 Query by parameter Z81
QBP Z85 Query by parameter Z85
QBP Z87 Query by parameter Z87
QBP Z89 Query by parameter Z89
QBP Z91 Query by parameter Z91
QBP Z93 Query by parameter Z93
QBP Z95 Query by parameter Z95
QBP Z97 Query by parameter Z97
QBP Z99 Query by parameter Z99
QCK - Query general acknowledgment
QCK Q02 Query sent for deferred response
QCN J01 Cancel query/acknowledge message
QCN J02 Cancel Subscription
QRF W02 Waveform result, response to query
QRY - Query, original mode
QRY A19 Patient query
QRY PC4 PC/problem query
QRY PC9 PC/goal query
QRY PCE PC/pathway (problem-oriented) query
QRY PCK PC/pathway (goal-oriented) query
QRY Q01 Query sent for immediate response
QRY Q02 Query sent for deferred response
QRY Q26 Pharmacy/treatment order response
QRY Q27 Pharmacy/treatment administration information
QRY Q28 Pharmacy/treatment dispense information
QRY Q29 Pharmacy/treatment encoded order information
QRY Q30 Pharmacy/treatment dose information
QRY R02 Query for results of observation
QRY R03 Display-oriented results, query/unsol. update (for backward compatibility only)
QRY R05 query for display results
QRY T12 Document query
QSB Q16 Create subscription
QSB Z83 Subscription Z83
QSX J02 Cancel subscriptiocknowledge message
QVR Q17 Query for previous events
RAR - Pharmacy/treatment administration information
RAR RAR Pharmacy/treatment administration information
RAS - Pharmacy administration message
RAS O01 Order message (also RDE, RDS, RGV, RAS)
RAS O17 Pharmacy/treatment administration
RCI - Return clinical information
RCI I05 Request for patient clinical information
RCL - Return clinical list
RCL I06 Request/receipt of clinical data listing
RDE - Pharmacy encoded order message
RDE O01 Order message (also RDE, RDS, RGV, RAS)
RDE O11 Pharmacy/treatment encoded order
RDE O25 Pharmacy/treatment refill authorization request
RDO O01 Order message (also RDE, RDS, RGV, RAS)
RDR - Pharmacy/treatment dispense information
RDR RDR Pharmacy/treatment dispense information
RDS - Pharmacy dispense message
RDS O01 Order message (also RDE, RDS, RGV, RAS)
RDS O13 Pharmacy/treatment dispense
RDY K15 Display response in response to QBP^Q15
RDY Z80 Display response Z80
RDY Z98 Display response Z98
REF - Patient referral
REF I12 Patient referral
REF I13 Modify patient referral
REF I14 Cancel patient referral
REF I15 Request patient referral status
RER - Pharmacy encoded order information
RER RER Pharmacy/treatment encoded order information
RGR - Pharmacy dose information
RGR RGR Pharmacy/treatment dose information
RGV - Pharmacy give message
RGV O01 Order message (also RDE, RDS, RGV, RAS)
RGV O15 Pharmacy/treatment give
ROR - Pharmacy prescription order query response
ROR ROR Pharmacy prescription order query response
RPA - Return patient authorization
RPA I08 Request for treatment authorization information
RPA I09 Request for modification to an authorization
RPA I10 Request for resubmission of an authorization
RPA I11 Request for cancellation of an authorization
RPI - Return patient information
RPI I01 Request for insurance information
RPI I04 Request for patient demographic data
RPL - Return patient display list
RPL I02 Request/receipt of patient selection display list
RPR - Return patient list
RPR I03 Request/receipt of patient selection list
RQA - Request patient authorization
RQA I08 Request for treatment authorization information
RQA I09 Request for modification to an authorization
RQA I10 Request for resubmission of an authorization
RQA I11 Request for cancellation of an authorization
RQC - Request clinical information
RQC I05 Request for patient clinical information
RQC I06 Request/receipt of clinical data listing
RQI - Request patient information
RQI I01 Request for insurance information
RQI I02 Request/receipt of patient selection display list
RQI I03 Request/receipt of patient selection list
RQI I07 Patient Insurance Information
RQP - Request for patient demographic data
RQP I04 Request for patient demographic data
RQQ - Event replay query
RQQ Q09 Event replay query
RRA - Pharmacy administration acknowledgment
RRA O02 Order response (also RRE, RRD, RRG, RRA)
RRA O18 Pharmacy/treatment administration acknowledgment
RRD - Pharmacy dispense acknowledgment
RRD O02 Order response (also RRE, RRD, RRG, RRA)
RRD O14 Pharmacy/treatment dispense acknowledgment
RRE - Pharmacy encoded order acknowledgement
RRE O02 Order response (also RRE, RRD, RRG, RRA)
RRE O12 Pharmacy/treatment encoded order acknowledgment
RRE O26 Pharmacy/Treatment Refill Authorization Acknowledgement
RRG - Pharmacy give acknowledgment
RRG O02 Order response (also RRE, RRD, RRG, RRA)
RRG O16 Pharmacy/treatment give acknowledgment
RRI - Return patient referral
RRI I12 Patient referral
RRI I13 Modify patient referral
RRI I14 Cancel patient referral
RRI I15 Request patient referral status
RRO Q02 Query sent for deferred response
RSP E03 HealthCare Services Invoice Status
RSP E22 Authorization Request Status
RSP K11 Segment pattern response in response to QBP^Q11
RSP K13 Response Grammar: RTB Message
RSP K21 Get person demographics response
RSP K22 Find candidates response
RSP K23 Get corresponding identifiers response
RSP K24 Allocate identifiers response
RSP K25 Personnel Information by Segment Response
RSP K31 Dispense History Response
RSP Q11 Query by parameter requesting an RSP segment pattern response
RSP Z82 Response Z82
RSP Z84 Response Z84
RSP Z86 Response Z86
RSP Z88 Response Z88
RSP Z90 Response Z90
RTB - Tabular response
RTB K13 Tabular response in response to QBP^Q13
RTB Z74 Tabular response Z74
RTB Z76 Tabular response Z76
RTB Z78 Tabular response Z78
RTB Z92 Tabular response Z92
RTB Z94 Tabular response Z94
RTB Z96 Tabular response Z96
SCN S37 Notification of anti-microbial device cycle data
SDN S36 Notification of anti-microbial device data
SDR S31 Request anti-microbial device data
SIU - Schedule information unsolicited
SIU S12 Notification of new appointment booking
SIU S13 Notification of appointment rescheduling
SIU S14 Notification of appointment modification
SIU S15 Notification of appointment cancellation
SIU S16 Notification of appointment discontinuation
SIU S17 Notification of appointment deletion
SIU S18 Notification of addition of service/resource on appointment
SIU S19 Notification of modification of service/resource on appointment
SIU S20 Notification of cancellation of service/resource on appointment
SIU S21 Notification of discontinuation of service/resource on appointment
SIU S22 Notification of deletion of service/resource on appointment
SIU S23 Notification of blocked schedule time slot(s)
SIU S24 Notification of opened ("unblocked") schedule time slot(s)
SIU S26 Notification that patient did not show up for schedule appointment
SLN S34 Notification of sterilization lot
SLN S35 Notification of sterilization lot deletion
SLR S28 Request new sterilization lot
SLR S29 Request Sterilization lot deletion
SMD S32 Request anti-microbial device cycle data
SPQ - Stored procedure request
SPQ Q08 Stored procedure request
SQM - Schedule query
SQM S25 Schedule query message and response
SQR - Schedule query response
SQR S25 Schedule query message and response
SRM - Schedule request message
SRM S01 Request new appointment booking
SRM S02 Request appointment rescheduling
SRM S03 Request appointment modification
SRM S04 Request appointment cancellation
SRM S05 Request appointment discontinuation
SRM S06 Request appointment deletion
SRM S07 Request addition of service/resource on appointment
SRM S08 Request modification of service/resource on appointment
SRM S09 Request cancellation of service/resource on appointment
SRM S10 Request discontinuation of service/resource on appointment
SRM S11 Request deletion of service/resource on appointment
SRR - Scheduled request response
SRR S01 Request new appointment booking
SRR S02 Request appointment rescheduling
SRR S03 Request appointment modification
SRR S04 Request appointment cancellation
SRR S05 Request appointment discontinuation
SRR S06 Request appointment deletion
SRR S07 Request addition of service/resource on appointment
SRR S08 Request modification of service/resource on appointment
SRR S09 Request cancellation of service/resource on appointment
SRR S10 Request discontinuation of service/resource on appointment
SRR S11 Request deletion of service/resource on appointment
SSR U04 Specimen status request
SSU U03 Specimen status update
STC S33 Notification of sterilization configuration
STI S30 Request item
SUR - Summary product experience report
SUR P09 Summary product experience report
TBR - Tabular response
TBR R08 Tabular Data Response
TCR U11 Automated equipment test code settings request
TCU U10 Automated equipment test code settings update
UDM - Unsolicited display message
UDM Q05 Unsolicited display update message
UDM R06 unsolicited update/display results
VQQ - Virtual table query
VQQ Q07 Virtual table query
VXQ - Query for vaccination record
VXQ V01 Query for vaccination record
VXR - Vaccination query record response
VXR V03 Vaccination record response
VXU - Unsolicited vaccination record update
VXU V04 Unsolicited vaccination record update
VXX - Vaccination query response with multiple PID matches
VXX V02 Response to vaccination query returning multiple PID matches