Barcode Guide


Pharmazentralnummer (PZN) is a variant of Code 39 - Regular that is used for the distribution and marking of health care and pharmaceutical products in Germany. Two versions are available: PZN7, which encodes six digits plus a check digit, and PZN8, which encodes seven digits plus a check digit. PZN7 is currently being phased out, and after January 1, 2020, only PZN8 will be used.

PZN is defined in the Technische Hinweise zur PZN-Codierung document that is published by Informationsstelle für Arzneispezialitäten (IFA) GmbH.

ClosedSymbol Structure

ClosedCharacter Set

ClosedCheck Digit


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