HL7 v2 parser Glossary

AL1 - Patient Allergy Information (HL7 v2.6)

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

The AL1 segment (Patient Allergy Information) has 6 fields in HL7 v2.6. Fields are addressed as AL1-n; composite fields break into components AL1-n.m. Paste a message into the parser to see every field annotated with this table.

#NameTypeLenOptRepeatsTable
1Set ID - AL1SI4RequiredNo
2Allergen Type CodeCWE705OptionalNo0127
3Allergen Code/Mnemonic/DescriptionCWE705RequiredNo
4Allergy Severity CodeCWE705OptionalNo0128
5Allergy Reaction CodeST15OptionalYes
6Identification DateDT8OptionalNo

Synthetic example

AL1|1|DA|7980^Penicillin^AMT|SV|Anaphylaxis
Open in parser