HL7 v2 2.2

Message structures of version 2.2: segments and groups in the order the standard requires. Structures with a FHIR message map link to it.

Version2.1 2.2 2.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

Filter message structures

Indented rows belong to the group above them.

ACKMSH MSA ERR3 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADR_A19MSH MSA ERR QRD EVN PID NK1 PV1 …21 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
QRD	Query Definition	Required	Once
Group `QUERY RESPONSE`		Required	Repeats
EVN	Event Type	Optional	Once
PID	Patient Identification	Required	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

ADT_A01MSH EVN PID NK1 PV1 PV2 OBX AL1 …FHIR: Bundle17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

FHIR map of ADT_A01Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A02MSH EVN PID PV1 PV2 OBXFHIR: Bundle6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

FHIR map of ADT_A02Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A03MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A04MSH EVN PID NK1 PV1 PV2 OBX AL1 …17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A05MSH EVN PID NK1 PV1 PV2 OBX AL1 …FHIR: Bundle17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

FHIR map of ADT_A05Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A06MSH EVN PID MRG NK1 PV1 PV2 OBX …FHIR: Bundle18 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
MRG	Merge Patient Information	Optional	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

FHIR map of ADT_A06Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A07MSH EVN PID MRG NK1 PV1 PV2 OBX …18 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
MRG	Merge Patient Information	Optional	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A08MSH EVN PID NK1 PV1 PV2 OBX AL1 …17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A09MSH EVN PID PV1 PV2 OBX DG1FHIR: Bundle7 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
DG1	Diagnosis	Backward	Repeats

FHIR map of ADT_A09Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A10MSH EVN PID PV1 PV2 OBX DG17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
DG1	Diagnosis	Optional	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A11MSH EVN PID PV1 PV2 OBX DG1FHIR: Bundle7 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
DG1	Diagnosis	Optional	Repeats

FHIR map of ADT_A11Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A12MSH EVN PID PV1 PV2 OBX DG17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
DG1	Diagnosis	Optional	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A13MSH EVN PID NK1 PV1 PV2 OBX AL1 …17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A14MSH EVN PID NK1 PV1 PV2 OBX AL1 …17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A15MSH EVN PID PV1 PV2 OBX DG17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
DG1	Diagnosis	Optional	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A16MSH EVN PID PV1 PV2 OBX DG17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
DG1	Diagnosis	Optional	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A17MSH EVN PID PV1 PV2 OBXFHIR: Bundle6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

FHIR map of ADT_A17Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A18MSH EVN PID MRG PV15 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
MRG	Merge Patient Information	Optional	Once
PV1	Patient Visit	Required	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6

ADT_A20MSH EVN NPU3 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
NPU	Bed Status Update	Required	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A21MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A22MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A23MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A24MSH EVN PID PV14 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Optional	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A25MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A26MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A27MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A28MSH EVN PID NK1 PV1 PV2 OBX AL1 …17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A29MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A30MSH EVN PID MRG4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
MRG	Merge Patient Information	Required	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

ADT_A31MSH EVN PID NK1 PV1 PV2 OBX AL1 …17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
NK1	Next Of Kin	Optional	Repeats
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A32MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A33MSH EVN PID PV1 PV2 OBX6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Required	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

ADT_A34MSH EVN PID MRG4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
MRG	Merge Patient Information	Required	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

ADT_A35MSH EVN PID MRG4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
MRG	Merge Patient Information	Required	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

ADT_A36MSH EVN PID MRG4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
MRG	Merge Patient Information	Required	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

ADT_A37MSH EVN PID PV14 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Optional	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

BAR_P01MSH EVN PID PV1 PV2 OBX AL1 DG1 …17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
Group `VISIT`		Required	Repeats
PV1	Patient Visit	Optional	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
DG1	Diagnosis	Optional	Repeats
PR1	Procedures	Optional	Repeats
GT1	Guarantor	Optional	Repeats
NK1	Next Of Kin	Optional	Repeats
Group `INSURANCE`		Optional	Repeats
IN1	Insurance	Required	Once
IN2	Insurance Additional Info	Optional	Once
IN3	Insurance Additional Info-certification	Optional	Once
ACC	Accident	Optional	Once
UB1	Ub82 Data	Optional	Once
UB2	Ub92 Data	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

BAR_P02MSH EVN PID PV14 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
Group `PATIENT`		Required	Repeats
PID	Patient Identification	Required	Once
PV1	Patient Visit	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

DFT_P03MSH EVN PID PV1 PV2 OBX FT17 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
EVN	Event Type	Required	Once
PID	Patient Identification	Required	Once
PV1	Patient Visit	Optional	Once
PV2	Patient Visit - Additional Information	Optional	Once
OBX	Observation Result	Optional	Repeats
FT1	Financial Transaction	Required	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

DSR_Q01MSH MFA ERR QRD QRF DSP DSC7 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MFA	Master File Acknowledgement	Required	Once
ERR	Error	Optional	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSP	Display Data	Required	Repeats
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

DSR_Q03MSH MSA QRD QRF DSP DSC6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Optional	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSP	Display Data	Required	Repeats
DSC	Continuation Pointer	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6

DSR_R03MSH MSA QRD QRF DSP DSC6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Optional	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSP	Display Data	Required	Repeats
DSC	Continuation Pointer	Optional	Once

MCFMSH MFA ERR3 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MFA	Master File Acknowledgement	Required	Once
ERR	Error	Optional	Once

MFD_M01MSH MFI MFA3 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MFI	Master File Identification	Required	Once
MFA	Master File Acknowledgement	Optional	Repeats

MFD_M02MSH MFI MFA3 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MFI	Master File Identification	Required	Once
MFA	Master File Acknowledgement	Optional	Repeats

MFD_M03MSH MFI MFA3 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MFI	Master File Identification	Required	Once
MFA	Master File Acknowledgement	Optional	Repeats

MFN_M01MSH MFI MFE Zxx4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MFI	Master File Identification	Required	Once
Group `MF`		Required	Repeats
MFE	Master File Entry	Required	Once
Zxx	Any Z Segment	Optional	Once

Defined in versions2.22.3 2.3.1 2.6

MFN_M02MSH MFI MFE Zxx4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MFI	Master File Identification	Required	Once
Group `MF_STAFF`		Required	Repeats
MFE	Master File Entry	Required	Once
Zxx	Any Z Segment	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

MFN_M03MSH MFI MFE Zxx4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MFI	Master File Identification	Required	Once
Group `MF_TEST`		Required	Repeats
MFE	Master File Entry	Required	Once
Zxx	Any Z Segment	Optional	Once

Defined in versions2.22.3 2.3.1 2.6

MFQ_M01MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

MFQ_M02MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4

MFQ_M03MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4

NMD_N01MSH NCK NTE NST NSC5 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
Group `CLOCK_AND_STATS_WITH_NOTES`		Required	Repeats
Group `CLOCK`		Optional	Once
NCK	System Clock	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `APP_STATS`		Optional	Once
NST	Statistics	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `APP_STATUS`		Optional	Once
NSC	Status Change	Required	Once
NTE	Notes And Comments	Optional	Repeats

NMQ_N02MSH QRD QRF NCK NST NSC6 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
Group `QRY_WITH_DETAIL`		Optional	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
Group `CLOCK_AND_STATISTICS`		Required	Repeats
NCK	System Clock	Optional	Once
NST	Statistics	Optional	Once
NSC	Status Change	Optional	Once

NMR_N02MSH MSA ERR QRD NCK NTE NST NSC8 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
QRD	Query Definition	Optional	Once
Group `RESPONSE`		Required	Repeats
NCK	System Clock	Optional	Once
NTE	Notes And Comments	Optional	Repeats
NST	Statistics	Optional	Once
NTE	Notes And Comments	Optional	Repeats
NSC	Status Change	Optional	Once
NTE	Notes And Comments	Optional	Repeats

ORF_R04MSH MSA QRD QRF PID NTE ORC OBR …10 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
Group `QUERY_RESPONSE`		Required	Repeats
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
PID	Patient Identification	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Optional	Once
OBR	Observation Request	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `OBSERVATION`		Required	Repeats
OBX	Observation Result	Optional	Once
NTE	Notes And Comments	Optional	Repeats
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

ORM_O01MSH NTE PID AL1 PV1 ORC OBR RQD …FHIR: Bundle14 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
PV1	Patient Visit	Optional	Once
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ORDER_DETAIL`		Optional	Once
Group `ORDER DETAIL SEGMENT`		Required	Once
OBR	Observation Request	Conditional	Once
RQD	Requisition Detail	Conditional	Once
RQ1	Requisition Detail 1	Conditional	Once
RXO	Pharmacy Prescription Order	Conditional	Once
ODS	Dietary Orders, Supplements, And Preferences	Conditional	Once
ODT	Diet Tray Instruction	Conditional	Once
NTE	Notes And Comments	Optional	Repeats
Group `OBSERVATION`		Optional	Repeats
OBX	Observation Result	Required	Once
NTE	Notes And Comments	Optional	Repeats
BLG	Billing	Optional	Once

FHIR map of ORM_O01Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6

ORR_O02MSH MSA ERR NTE PID ORC OBR RQD …12 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ORDER_DETAIL`		Optional	Once
Group `ORDER DETAIL SEGMENT`		Optional	Once
OBR	Observation Request	Conditional	Once
RQD	Requisition Detail	Conditional	Once
RQ1	Requisition Detail 1	Conditional	Once
RXO	Pharmacy Prescription Order	Conditional	Once
ODS	Dietary Orders, Supplements, And Preferences	Conditional	Once
ODT	Diet Tray Instruction	Conditional	Once
NTE	Notes And Comments	Optional	Repeats

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6

ORU_R01MSH PID NTE PV1 ORC OBR OBX DSCFHIR: Bundle8 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
Group `PATIENT_RESULT`		Required	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
PV1	Patient Visit	Optional	Once
Group `ORDER_OBSERVATION`		Required	Repeats
ORC	Commom Order	Optional	Once
OBR	Observation Request	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `OBSERVATION`		Required	Repeats
OBX	Observation Result	Optional	Once
NTE	Notes And Comments	Optional	Repeats
DSC	Continuation Pointer	Optional	Once

FHIR map of ORU_R01Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

QRY_A19MSH QRD QRF3 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6

QRY_P04MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4

QRY_Q01MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6

QRY_Q02MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6

QRY_Q26MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

QRY_Q27MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

QRY_Q28MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

QRY_Q29MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

QRY_Q30MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

QRY_R02MSH QRD QRF DSC4 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
QRD	Query Definition	Required	Once
QRF	Query Filter	Required	Once
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

RAR_RARMSH MSA ERR QRD QRF PID NTE ORC …13 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
Group `DEFINITION`		Required	Repeats
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ENCODING`		Optional	Once
RXE	Pharmacy Encoded Order	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats
RXA	Pharmacy Aadministration	Required	Repeats
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

RAS_O02MSH NTE PID AL1 PV1 ORC RXO RXR …12 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
PV1	Patient Visit	Optional	Once
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ORDER DETAIL`		Optional	Once
RXO	Pharmacy Prescription Order	Required	Once
Group `ORDER DETAIL SUPPLEMENT`		Optional	Once
NTE	Notes And Comments	Required	Repeats
RXR	Pharmacy Route	Required	Repeats
Group `COMPONENTS`		Optional	Once
RXC	Pharmacy Component Order	Required	Repeats
NTE	Notes And Comments	Optional	Repeats
Group `ENCODING`		Optional	Once
RXE	Pharmacy Encoded Order	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats
RXA	Pharmacy Aadministration	Required	Repeats
RXR	Pharmacy Route	Required	Once
Group `OBSERVATION`		Optional	Repeats
OBX	Observation Result	Required	Once
NTE	Notes And Comments	Optional	Repeats

Defined in versions2.22.3

RDE_O01MSH NTE PID AL1 PV1 ORC RXO RXR …11 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
PV1	Patient Visit	Optional	Once
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ORDER_DETAIL`		Optional	Once
RXO	Pharmacy Prescription Order	Required	Once
NTE	Notes And Comments	Optional	Repeats
RXR	Pharmacy Route	Required	Repeats
Group `COMPONENT`		Optional	Once
RXC	Pharmacy Component Order	Required	Repeats
NTE	Notes And Comments	Optional	Repeats
RXE	Pharmacy Encoded Order	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats
Group `OBSERVATION`		Required	Repeats
OBX	Observation Result	Optional	Once
NTE	Notes And Comments	Optional	Repeats

Defined in versions2.22.3 2.3.1

RDR_RDRMSH MSA ERR QRD QRF PID NTE ORC …13 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
Group `DEFINITION`		Required	Repeats
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ENCODING`		Optional	Once
RXE	Pharmacy Encoded Order	Required	Once
RXR	Pharmacy Route	Required	Once
RXC	Pharmacy Component Order	Optional	Repeats
Group `DISPENSE`		Required	Repeats
RXD	Pharmacy Dispense	Required	Once
RXR	Pharmacy Route	Required	Repeats
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8

RDS_O01MSH NTE PID AL1 PV1 ORC RXO RXR …12 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
PV1	Patient Visit	Optional	Once
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ORDER_DETAIL`		Optional	Once
RXO	Pharmacy Prescription Order	Required	Once
Group `ORDER DETAIL SUPPLEMENT`		Optional	Once
NTE	Notes And Comments	Required	Repeats
RXR	Pharmacy Route	Required	Repeats
Group `COMPONENT`		Optional	Once
RXC	Pharmacy Component Order	Required	Repeats
NTE	Notes And Comments	Optional	Repeats
Group `ENCODING`		Optional	Once
RXE	Pharmacy Encoded Order	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats
RXD	Pharmacy Dispense	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXE	Pharmacy Encoded Order	Optional	Repeats
Group `OBSERVATION`		Required	Repeats
OBX	Observation Result	Optional	Once
NTE	Notes And Comments	Optional	Repeats

Defined in versions2.22.3 2.3.1

RER_RERMSH MSA ERR QRD QRF PID NTE ORC …12 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
Group `DEFINITION`		Required	Repeats
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
RXE	Pharmacy Encoded Order	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

RGR_RGRMSH MSA ERR QRD QRF PID NTE ORC …13 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
Group `DEFINITION`		Required	Repeats
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ENCODING`		Optional	Once
RXE	Pharmacy Encoded Order	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats
RXG	Pharmacy Give	Required	Repeats
RXR	Pharmacy Route	Required	Repeats
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

RGV_O01MSH NTE PID AL1 PV1 ORC RXO RXR …12 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
AL1	Patient Allergy Information	Optional	Repeats
PV1	Patient Visit	Optional	Once
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ORDER_DETAIL`		Optional	Once
RXO	Pharmacy Prescription Order	Required	Once
Group `ORDER DETAIL SUPPLEMENT`		Optional	Once
NTE	Notes And Comments	Required	Repeats
RXR	Pharmacy Route	Required	Repeats
Group `COMPONENT`		Optional	Once
RXC	Pharmacy Component Order	Required	Repeats
NTE	Notes And Comments	Optional	Repeats
Group `ENCODING`		Optional	Once
RXE	Pharmacy Encoded Order	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats
Group `GIVE`		Required	Once
RXG	Pharmacy Give	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats
Group `OBSERVATION`		Required	Once
OBX	Observation Result	Optional	Once
NTE	Notes And Comments	Optional	Repeats

Defined in versions2.22.3 2.3.1

ROR_RORMSH MSA ERR QRD QRF PID NTE ORC …12 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
Group `DEFINITION`		Required	Repeats
QRD	Query Definition	Required	Once
QRF	Query Filter	Optional	Once
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
RXO	Pharmacy Prescription Order	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats
DSC	Continuation Pointer	Optional	Once

Defined in versions2.22.3 2.3.1 2.4 2.5 2.5.1 2.6

RRA_O02MSH MSA ERR NTE PID ORC RXA RXR8 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `RESPONSE`		Optional	Once
Group `PATIENT`		Optional	Once
PID	Patient Identification	Required	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ADMINISTRATION`		Optional	Repeats
RXA	Pharmacy Aadministration	Required	Repeats
RXR	Pharmacy Route	Required	Once

Defined in versions2.22.3 2.3.1

RRD_O02MSH MSA ERR NTE PID ORC RXD RXR …9 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ORDER_DETAIL`		Optional	Once
RXD	Pharmacy Dispense	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats

Defined in versions2.22.3 2.3.1

RRE_O02MSH MSA ERR NTE PID ORC RXE RXR …9 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ORDER_DETAIL`		Optional	Once
RXE	Pharmacy Encoded Order	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats

Defined in versions2.22.3 2.3.1

RRG_O02MSH MSA ERR NTE PID ORC RXG RXR …9 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
MSA	Message Acknowledgment	Required	Once
ERR	Error	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `PATIENT`		Optional	Once
PID	Patient Identification	Optional	Once
NTE	Notes And Comments	Optional	Repeats
Group `ORDER`		Required	Repeats
ORC	Commom Order	Required	Once
Group `ORDER_DETAIL`		Optional	Once
RXG	Pharmacy Give	Required	Once
RXR	Pharmacy Route	Required	Repeats
RXC	Pharmacy Component Order	Optional	Repeats

Defined in versions2.22.3 2.3.1

UDM_Q05MSH URD URS DSP DSC5 segments

Segment	Name	Use	Repeats
MSH	Message Header	Required	Once
URD	Results/update Definition	Required	Once
URS	Unsolicited Selection	Optional	Once
DSP	Display Data	Required	Repeats
DSC	Continuation Pointer	Required	Once

Defined in versions2.12.22.3 2.3.1 2.4 2.5 2.5.1 2.6 2.7 2.7.1 2.8