The Demo site for our new HL7 Version 2+ (plus) Standard
visit the hl7 website

Draft Website - For Review Purposes Only

MSG - message type

HL7 Component Table - MSG - message type
Seq# Description Implement Flags Cardinality Length C.LEN Vocabulary Data Type
MSG
1 Message Code SHALL [0..1] [3..3]     0076 ID
2 Trigger Event SHALL [0..1] [3..3]     0003 ID
3 Message Structure SHALL [0..1] [3..7]     0354 ID

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

Definition: This field contains the message type, trigger event, and the message structure ID for the message.

Note: Replaces the CM data type used in 2.16.9.9 MSH-9 as of v 2.5.


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.