BUDI Generator

IFA Check Digit Generator for Basic UDI

The basic UDI (BUDI) is the main key for grouping those products of a manufacturer that have the same properties. Manufacturers generate the basic UDI from the following four substring elements, which are described in detail in chapter 3.5. of Specification UDI Use of the IFA Coding System for MD:

• Issuing Agency Code (IAC)
• Manufacturer Code / Company Identification Number (CIN) /
  IFA address Number / Supplier number
• Device Group Code
• 2-digit Check Digit

To generate the 2-digit Check Digit for the basic UDI, please use the BUDI generator in the IFA portal. You can use the following links to log in to the IFA portal or request a user ID.

Here you can find Technical Information on PZN Coding -Check Digit Calculations-.

More information on the topics of Unique Device Identification (UDI) and using the PPN as a UDI-DI can be found here.