@type t() :: %HL7v2.Segment.GP2{
  ambulatory_payment_classification_code: term(),
  charge: term(),
  co_pay_amount: term(),
  denial_or_rejection_code: term(),
  expected_cms_payment_amount: term(),
  extra_fields: term(),
  modifier_edit_code: term(),
  number_of_service_units: term(),
  oce_edit_code: term(),
  packaging_status_code: term(),
  pay_rate_per_service_unit: term(),
  payment_adjustment_code: term(),
  reimbursement_action_code: term(),
  reimbursement_type_code: term(),
  revenue_code: term()
}