HL7 Workbench
Beta
v2.9
Data Elements
21
HL7 v2.x
Parser
Sign in
00021
Expected Sequence Number
2020-01-06
...
2.8.1
Mar
2014
2.8.2
Jun
2015
2.9
Nov
2019
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