ACK_Q03
5.10.3.2 DSR/ACK - deferred response to a query (event Q03)
3 segments
Later, perhaps more than once.
Note: All record-oriented original mode and all enhanced mode queries follow the immediate and deferred acknowledgment modes defined in Section 5.10.3.0.
Message Structure
3 segments
R RequiredO Optional Choice
MSH
R1MSA
R1ERR
O1