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18.3.17 MSG - message type (2A.3.44)

HL7 Component Table - MSG - Message Type

Core Framework Base Standard Profile
Seq# Description Interpretation Flags Cardinality Length C.LEN Vocabulary Data Type Implement Cardinality Vocabulary
MSG
1 Message Code [1..1]   messageType (CD VS) ID SHALL   (CS)
2 Trigger Event [1..1]   event (CD VS) ID SHALL   (CS)
3 Message Structure [1..1]   messageStructure (CD VS) ID SHALL   (CS)

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.

18.3.17.1 Message Code (ID) (2A.3.44.0)

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.

18.3.17.2 Trigger Event (ID) (2A.3.44.1)

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.

18.3.17.3 Message Structure (ID) (2A.3.44.2)

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