# `HL7v2.Segment.OM3`
[🔗](https://github.com/Balneario-de-Cofrentes/hl7v2/blob/v3.10.1/lib/hl7v2/segment/om3.ex#L1)

Categorical Service/Test/Observation (OM3) segment -- HL7v2 v2.5.1.

Contains attributes of observations with categorical results.
7 fields per HL7 v2.5.1 specification.

# `t`

```elixir
@type t() :: %HL7v2.Segment.OM3{
  abnormal_text_codes_for_categorical_results: term(),
  critical_text_codes_for_categorical_results: term(),
  extra_fields: term(),
  normal_text_codes_for_categorical_results: term(),
  preferred_coding_system: term(),
  sequence_number: term(),
  valid_coded_answers: term(),
  value_type: term()
}
```

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