Identifying your Zepbound® (tirzepatide) and Mounjaro® (tirzepatide) medication

Start by scanning the 2D barcode on your medicine package with your smartphone. An example can be found below. This will check if your medicine’s serial number is consistent with medicines manufactured by Lilly and obtained in the United States.​

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Aim your camera at the 2D barcode on your medicine package

How to find your 2D barcode

The 2D barcode is printed on the outside of each package. Do not scan the actual pen or vial as individual device scanning is not supported.

Serial Number Example

This is an example of a 2D barcode.

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