@type t() :: %HL7v2.Segment.FT1{
  advanced_beneficiary_notice_code: term(),
  assigned_patient_location: term(),
  department_code: term(),
  diagnosis_code: term(),
  entered_by_code: term(),
  extra_fields: term(),
  fee_schedule: term(),
  filler_order_number: term(),
  insurance_amount: term(),
  insurance_plan_id: term(),
  medically_necessary_duplicate_procedure_reason: term(),
  ndc_code: term(),
  ordered_by_code: term(),
  patient_type: term(),
  payment_reference_id: term(),
  performed_by_code: term(),
  procedure_code: term(),
  procedure_code_modifier: term(),
  set_id: term(),
  transaction_amount_extended: term(),
  transaction_amount_unit: term(),
  transaction_batch_id: term(),
  transaction_code: term(),
  transaction_date: term(),
  transaction_description: term(),
  transaction_description_alt: term(),
  transaction_id: term(),
  transaction_posting_date: term(),
  transaction_quantity: term(),
  transaction_reference_key: term(),
  transaction_type: term(),
  unit_cost: term()
}