HL7 v2 parser Glossary

IAR - allergy reaction (HL7 v2.7.1)

Versions: v2.7.1

The IAR segment (allergy reaction) has 4 fields in HL7 v2.7.1. Fields are addressed as IAR-n; composite fields break into components IAR-n.m. Paste a message into the parser to see every field annotated with this table.

#NameTypeLenOptRepeatsTable
1Allergy Reaction CodeCWERequiredNo
2Allergy Severity CodeCWERequiredNo0128
3Sensitivity to Causative Agent CodeCWEOptionalNo0436
4ManagementSTOptionalNo