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

Authorization Information (AUT) segment — HL7v2 v2.5.1.

Defines authorization/pre-certification information for healthcare services.

10 fields per HL7 v2.5.1 specification.

# `t`

```elixir
@type t() :: %HL7v2.Segment.AUT{
  authorization_effective_date: term(),
  authorization_expiration_date: term(),
  authorization_identifier: term(),
  authorized_number_of_treatments: term(),
  authorizing_payor_company_id: term(),
  authorizing_payor_company_name: term(),
  authorizing_payor_plan_id: term(),
  extra_fields: term(),
  process_date: term(),
  reimbursement_limit: term(),
  requested_number_of_treatments: term()
}
```

---

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