Product Frequently Asked Questions

We’ve gathered together answers to some of the most common questions. Please check to see if the answer to your question can be found here. If you still have questions, our Customer Service team would be happy to help. You can use the search box to answer your question or browse the list of topics below.

Topics

CGM Basics

Getting Started

Your First 10 Days with Dexcom ONE

Using Dexcom ONE in the Long Run

Dexcom ONE Mobile App