HL7 Workbench
Beta
v2.4
Data Elements
21
HL7 v2.x
Parser
Sign in
00021
Expected Sequence Number
2000-10-28
...
2.3.1
May
1999
2.4
Oct
2000
2.5
Aug
2003
...
2.16.8.4 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