HL7 Workbench
Beta
v2.1
Data Elements
540
HL7 v2.x
Parser
Sign in
00540
ORDER CALL-BACK PHONE NUM
1995-11-25
2.1
Dec
1992
2.2
Nov
1994
2.3
Apr
1997
...
OBR
OBSERVATION REQUEST
OBR-17: ORDER CALL-BACK PHONE NUM
Length
≤40
TN
telephone number
Primitive