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Dexcom Help Center

Need Additional Help?

Submit a Tech Support Request

Request Sensor Overpatches

Chat with Live Tech Support

At this time, live chat is only available to US customers, Monday-Sunday from 5AM-5PM PST.

Watch and Learn

Inserting Sensor and Attaching the Dexcom Transmitter

Traveling with Your Dexcom CGM

Pairing your transmitter

How do I update the software on my touchscreen receiver?

Setting Up the Dexcom G6 App

Using the Dexcom CLARITY App