HL7 Workbench
Beta
v2.3
Message Structures
ADT_A12
HL7 v2.x
Parser
Sign in
ADT_A12
Track/Cancel (2)
9 segments · 1 events
...
2.2
Nov
1994
2.3
Apr
1997
2.3.1
May
1999
...
Message Structure
Message Structure
9 segments
Tree
Grammar
R
Required
O
Optional
Choice
MSH
R
1
EVN
R
1
PID
R
1
PD1
O
1
PV1
R
1
PV2
O
1
DB1
O
*
OBX
O
*
DG1
O
1
Used by Events:
A12
ADT/ACK - Cancel transfer