The barcode contains different Application Identifiers:


(01) = GTIN


  • article selling GTIN according to the GS1 standard
  • different from METRO article number


(10) = LOT: Lot number


  • with min 1 and max 20 digits
  • use numbers


(3103) = net weight (optional)


  • 3 digits after the decimal point





The list of other Application Identifiers can be found here.


Please note:


In some examples the application identifier is written with spaces or in brackets, this is just for readability and shall not be encoded into the barcode.