HL7 Workbench
Beta
v2.1
Data Elements
178
HL7 v2.x
Parser
Sign in
00178
WHAT USER QUALIFIER
1995-11-25
2.1
Dec
1992
2.2
Nov
1994
2.3
Apr
1997
...
QRF
QUERY FILTER
QRF-4: WHAT USER QUALIFIER
Length
≤20
ST
string data
Primitive