The GS1 UDI barcode combines the Device Identifier (DI), also known as the GTIN by GS1.org, which would be a static portion to the barcode and then the Production Identifier (PI), which would be a dynamic portions to the barcode, including Application Identifiers such as Serial (AI-21), Lot Number (AI-10) and Expiration Dates (AI-17). The GS1 UDI can be created as a GS1-128 or a GS1 DataMatrix, depending on space allotment on the label.
|Data Delimiters||Identifier||Data Type||HR Field Size||DB Field Size||Example Data|
|(01)||Device Identifier (DI)||Numeric||16||14||51022222233336|
|(11)||Manufacturing/Production Date||Numeric||8||6 (YYMMDD)||141231|
|(17)||Expiration Date||Numeric||8||6 (YYMMDD)||150707|
The final human readable string for this example is: (01)51022222233336(11)141231(17)150707(10)A213B1(21)1234
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