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. Author manuscript; available in PMC: 2017 Nov 11.
Published in final edited form as: Vaccine. 2016 Oct 11;34(47):5802–5807. doi: 10.1016/j.vaccine.2016.09.052

Figure 1. Components of Linear Barcode and 2D Barcode on Vaccine Vials.

Figure 1

Either GTIN or NDC is encoded in a linear barcode. NDC is a unique 10-digit, 3-segment number that identifies labeler, product, and trade package size. GTIN (Global Trade Item Number) is a global product identification standard in which the NDC is encoded.