HL7 Workbench
Beta
v2.6
Data Elements
21
HL7 v2.x
Parser
Sign in
00021
Expected Sequence Number
2007-10-26
...
2.5.1
May
2007
2.6
Sep
2007
2.7
Jan
2011
...
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
≤15
NM
Numeric
Primitive