@type t() :: %HL7v2.Segment.SAC{
  accession_identifier: term(),
  additive: term(),
  artificial_blood: term(),
  available_specimen_volume: term(),
  barrier_delta: term(),
  bottom_delta: term(),
  cap_type: term(),
  carrier_identifier: term(),
  carrier_type: term(),
  container_diameter: term(),
  container_height: term(),
  container_height_diameter_delta_units: term(),
  container_identifier: term(),
  container_status: term(),
  container_volume: term(),
  dilution_factor: term(),
  drug_interference: term(),
  equipment_container_identifier: term(),
  external_accession_identifier: term(),
  extra_fields: term(),
  fibrin_index: term(),
  fibrin_index_units: term(),
  hemolysis_index: term(),
  hemolysis_index_units: term(),
  icterus_index: term(),
  icterus_index_units: term(),
  initial_specimen_volume: term(),
  lipemia_index: term(),
  lipemia_index_units: term(),
  location: term(),
  other_environmental_factors: term(),
  position_in_carrier: term(),
  position_in_tray: term(),
  primary_parent_container_identifier: term(),
  registration_date_time: term(),
  separator_type: term(),
  special_handling_code: term(),
  specimen_component: term(),
  specimen_source: term(),
  system_induced_contaminants: term(),
  temperature: term(),
  tray_identifier: term(),
  tray_type: term(),
  treatment: term(),
  volume_units: term()
}