HL7 v2 parser Glossary

QRF - Original style query filter (HL7 v2.7.1)

Versions: v2.3 v2.3.1 v2.4 v2.5.1 v2.6 v2.7.1

The QRF segment (Original style query filter) has 10 fields in HL7 v2.7.1. Fields are addressed as QRF-n; composite fields break into components QRF-n.m. Paste a message into the parser to see every field annotated with this table.

#NameTypeLenOptRepeatsTable
1Where Subject FilterSTRequiredYes
2When Data Start Date/TimeDTMOptionalNo
3When Data End Date/TimeDTMOptionalNo
4What User QualifierSTOptionalYes
5Other QRY Subject FilterSTOptionalYes
6Which Date/Time QualifierIDOptionalYes0156
7Which Date/Time Status QualifierIDOptionalYes0157
8Date/Time Selection QualifierIDOptionalYes0158
9When Quantity/Timing QualifierTQOptionalNo
10Search Confidence ThresholdNMOptionalNo