HL7 Workbench
Beta
v2.2
Message Structures
QRY_R02
HL7 v2.x
Parser
Sign in
QRY_R02
QRY_R02
4 segments · 1 events
2.1
Dec
1992
2.2
Nov
1994
2.3
Apr
1997
...
Message Structure
Message Structure
4 segments
Tree
Grammar
R
Required
O
Optional
Choice
MSH
R
1
QRD
R
1
QRF
R
1
DSC
O
1
Used by Events:
R02
Query for results of observation