HL7 Workbench
Beta
v2.3
Message Structures
EDR_Q01
HL7 v2.x
Parser
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EDR_Q01
EDR_Q01
6 segments · 1 events
...
2.2
Nov
1994
2.3
Apr
1997
2.3.1
May
1999
...
Message Structure
Message Structure
6 segments
Tree
Grammar
R
Required
O
Optional
Choice
MSH
R
1
MSA
R
1
ERR
O
1
QAK
R
1
DSP
R
*
DSC
O
1
Used by Events:
Q01
QRY/DSR - Query sent for immediate response