HL7 Workbench
Beta
v2.3
Message Structures
ADT_A39
HL7 v2.x
Parser
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ADT_A39
ADT_A39
6 segments · 4 events
...
2.2
Nov
1994
2.3
Apr
1997
2.3.1
May
1999
...
Message Structure
Message Structure
6 segments
Tree
Grammar
Collapse All
R
Required
O
Optional
Choice
MSH
R
1
EVN
R
1
PATIENT
R
*
PID
R
1
PD1
O
1
MRG
R
1
PV1
O
1
Used by Events
4 events
A39
ADT/ACK - Merge person - external ID
A40
ADT/ACK - Merge patient - internal ID
A41
ADT/ACK - Merge account - patient account number
A42
ADT/ACK - Merge visit - visit number