HL7 Workbench
Beta
v2.3
Data Elements
21
HL7 v2.x
Parser
Sign in
00021
Expected Sequence Number
...
2.2
Nov
1994
2.3
Apr
1997
2.3.1
May
1999
...
2.24.2.4 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