A pre-defined assortment is defined as a pack of two or more trade items that are combined and sold together as a single trade item.
In all cases, the trade items included in pre-defined assortments are explicitly defined by the trading partners and carry their own, unique GTIN separate from the GTIN assigned to the assortment.
A change, addition or replacement of one or more trade items included in a pre-defined assortment, requires assignment of a new GTIN.
Kits are collections of non-homogeneous, separable components that are identified, purchased, and supplied as a single trade item for a specific clinical or commercial purpose.
There are two primary types of kits: