Item Packaging (PKG) segment — HL7v2 v2.6+ (Chapter 17 Materials Management).
Describes packaging unit definitions and pricing for a material item. One PKG row per packaging level (e.g., each, box, case, pallet).
7 fields per HL7 v2.6 specification.
@type t() :: %HL7v2.Segment.PKG{ default_order_unit_of_measure_indicator: term(), extra_fields: term(), future_item_price: term(), future_item_price_effective_date: term(), package_quantity: term(), packaging_units_code: term(), price: term(), set_id: term() }