# `HL7v2.Segment.AL1`
[🔗](https://github.com/Balneario-de-Cofrentes/hl7v2/blob/v3.10.1/lib/hl7v2/segment/al1.ex#L1)

Patient Allergy Information (AL1) segment — HL7v2 v2.5.1.

Records allergy information for a patient.
6 fields per HL7 v2.5.1 specification.

# `t`

```elixir
@type t() :: %HL7v2.Segment.AL1{
  allergen_code: term(),
  allergen_type_code: term(),
  allergy_reaction_code: term(),
  allergy_severity_code: term(),
  extra_fields: term(),
  identification_date: term(),
  set_id: term()
}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*