ACK

ACK - general acknowledgment

5 segments · 137 events

The simple general acknowledgment (ACK) can be used where the application does not define a special application level acknowledgment message or where there has been an error that precludes application processing. It is also used for accept level acknowledgments. The details are described in Section 2.9, "Message Processing Rules".
Note: For the general acknowledgment (ACK) message, the value of MSH-9-2-Trigger event is equal to the value of MSH-9-2-Trigger event in the message being acknowledged. The value of MSH-9-3-Message structure for the general acknowledgment message is always ACK.

Message Structure

5 segments
R RequiredO Optional Choice
MSH
R1
SFT
O*
UAC
O1
MSA
R1
ERR
O*
137 events