ORD^O04
ORD - Diet order acknowledgment
There is not supposed to be an Application Level acknowledgement to an Application Level Acknowledgement message. In Enhanced Mode, MSH-16 SHALL always be set to NE (Never).
Message Types
Message Type
Trigger Structure
Event Flow
TriggerO04
SendORD_O04
ReceiveNUL
ACK choreographyORD_O04