@type t() :: %HL7v2.Segment.PR1{
  anesthesia_code: term(),
  anesthesia_minutes: term(),
  anesthesiologist: term(),
  associated_diagnosis_code: term(),
  consent_code: term(),
  extra_fields: term(),
  procedure_action_code: term(),
  procedure_code: term(),
  procedure_code_modifier: term(),
  procedure_coding_method: term(),
  procedure_date_time: term(),
  procedure_description: term(),
  procedure_drg_type: term(),
  procedure_functional_type: term(),
  procedure_identifier: term(),
  procedure_minutes: term(),
  procedure_practitioner: term(),
  procedure_priority: term(),
  set_id: term(),
  surgeon: term(),
  tissue_type_code: term()
}