AL1 Segment

Set ID - AL1

Allergen Type Code

Preferred values from HL7 Table 0127

Allergen Code/Mnemonic/Description

RxNorm is preferred for medication allergens. Uncoded allergens and allergens coded with local coding systems are accepted, but a canonical coding system is strongly preferred. (RxNorm, SNOMED, etc.)

Allergy Severity Code

Allergy Reaction Code

Identification Date