HL7® Definition

 

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AL1: Patient allergy information segment

The AL1 segment contains patient allergy information of various types. Most of this information will be derived from user-defined tables. Each AL1 segment describes a single patient allergy.

SEQLENGTHDTOPTRPT / #TBL #NAME
AL1.14SIR1Set ID - AL1
AL1.22ISO10127Allergy Type
AL1.360CER1Allergy Code/Mnemonic/Description
AL1.42ISO10128Allergy Severity
AL1.515STO*Allergy Reaction
AL1.68DTO1Identification Date

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