ORL^O55
ORL - Laboratory Order Acknowledgment (Multiple Order Per Container of Specimen)
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
TriggerO55
SendORL_O55
ReceiveNUL
ACK choreographyORL_O55