HL7 Workbench
Beta
v2.2
Data Elements
21
HL7 v2.x
Parser
Sign in
00021
Expected Sequence Number
1995-11-25
2.1
Dec
1992
2.2
Nov
1994
2.3
Apr
1997
...
2.10.2.4 Expected sequence number (NM) 00021:
Definition: optional numeric field used in the sequence number protocol.
MSA
MESSAGE ACKNOWLEDGMENT
MSA-4: Expected Sequence Number
Length
≤15
NM
numeric
Primitive