Set up Dexcom G7

Your t:slim X2 insulin pump with Control-IQ technology uses continuous glucose monitoring (CGM) values to predict and help prevent highs and lows. Let’s get you started with Dexcom G7 CGM so you can see how technology can help with your diabetes management.

Dexcom CARE Team

(888) 738-3646 Monday - Friday
6 am-5 pm (PT)
9 am-8 pm (ET)

Contact Dexcom's team of diabetes educators if you require assistance in starting your Dexcom CGM system.


Please make sure your Dexcom G7 sensors are compatible with your t:slim X2 insulin pump by referencing the instructions on our Dexcom Compatibility page.


You will learn Getting Started with the Dexcom G7 App


You will learn How to Insert Sensor

This will take approximately

2 minutes


You will learn How to Replace Sensor

This will take approximately

2 minute


You will learn Dexcom CGM
Start Here Guide

Comprehensive guide with pictures on how to use the Dexcom CGM system.

View Guide

Dexcom G7 Support

If you require further assistance to set up your Dexcom sensor for the first time, check out more self‑help videos available on the Dexcom CGM Support page.

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Prepare for Training

This training has been designed to help familiarize you with your Tandem Diabetes Care products.

Insulin Pump

I’d love some help understanding the basics.

I know the basics and I am excited to get started.

New pump, new stuff.
Let’s get started.