HL7 Workbench
Beta
v2.3
Message Structures
DOC_T12
HL7 v2.x
Parser
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DOC_T12
DOC_T12
10 segments · 1 events
...
2.2
Nov
1994
2.3
Apr
1997
2.3.1
May
1999
...
Message Structure
Message Structure
10 segments
Tree
Grammar
Collapse All
R
Required
O
Optional
Choice
MSH
R
1
MSA
R
1
ERR
O
1
QRD
R
1
RESULT
R
*
EVN
O
1
PID
R
1
PV1
R
1
TXA
R
1
OBX
O
*
DSC
O
1
Used by Events:
T12
QRY/DOC - Document query