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MSG - message type

HL7 Component Table - MSG - message type
Seq# Description Data Type Usage Vocabulary Length C.LEN Flags
MSG
1 Message Code ID R
0076(R) Message Type(Required)
[3..3]    
2 Trigger Event ID R
0003(R) Event Type(Required)
[3..3]    
3 Message Structure ID R
0354(R) Message Structure(Required)
[3..7]    

Components: <Message Code (ID)> & <Trigger Event (ID)> & <Message Structure (ID)>


MSG-1: Message Code (ID)

Definition: Specifies the message type code. Refer to HL7 Table 0076– Message Type for valid values.

This table contains values such as ACK, ADT, ORM, ORU etc.

See Chapter 2, "Control", section 2.5.1, "Messages" for further discussion.

MSG-2: Trigger Event (ID)

Definition: Specifies the trigger event code. Refer to HL7 Table 0003– Event Type for valid values.

This table contains values like A01, O01, R01 etc.

See Chapter 2, "Control", section 2.3.1, "Trigger Events" for further discussion.

MSG-3: Message Structure (ID)

Definition: Specifies the abstract message structure code. Refer to HL7 Table 0354 – Message Structure for valid values.