Unit of Use GTIN C1D1 (C1D1-C5D5)
The GTIN of items included in a base or consumer unit intended for individual issue at point of use.
A product contains a Syringe and bandage. The Syringe contains a GTIN of 9312345678983. The first component (syringe) will have a unit of use GTIN of 09312345678983.