HL7 Workbench
Beta
v2.8
Data Elements
21
HL7 v2.x
Parser
Sign in
00021
Expected Sequence Number
2014-03-17
...
2.7.1
Jul
2012
2.8
Mar
2014
2.8.1
Mar
2014
...
2.14.8.4 MSA-4 Expected Sequence Number (NM) 00021:
Definition: This optional numeric field is used in the sequence number protocol.
MSA
Message Acknowledgment
MSA-4: Expected Sequence Number
Length
Not specified
NM
Numeric
Primitive