Using Your Dexcom CGM System

System Overview

Do I need to use my receiver?

You have the option to use only the app, only the receiver, or both at the same time.
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Setting Up Your Smartphone or Receiver

Is there a Quick Glance widget for the G6?

By default, the Quick Glance option is on. It shows your CGM information in the notification area and on the lock screen.

Sensor and Transmitter

Is Dexcom creating a recycling program for the sensor applicator at launch?

At this time, Dexcom will not have a recycling program. Dexcom recommends that users dispose of the used applicator following local guidelines for blood containing components.

How do I replace the Dexcom G6 transmitter?

Find a step-by-step guide showing how to remove and replace your Dexcom G6 transmitter.

Can the sensor be restarted after 10 days?

No. The new Dexcom G6 CGM system is designed to eliminate the need for fingerstick calibrations* and can be used for 10 days without restart.

How to Keep Dexcom G6 Sensor on for Full 10-day Wear?

Follow these placement and adhesive overpatch tips to keep your Dexcom G6 sensor on longer for the full 10-day wear.

Common Activities with Dexcom CGM

Is Dexcom G6 CGM waterproof?

Yes, the Dexcom G6 sensor and transmitter is water-resistant and can be submerged under 8 feet of water for up to 24 hours, allowing you to swim, shower or bathe.

Can Dexcom G6 go through airport security?

Dexcom G6 can go through airport security measures such as metal detectors, pat-downs and visual inspections without having to worry about damaging your CGM supplies.

Understanding Data and Trends

How do I get a recap of my last 24 hours on my smart device?

Turn your smart device sideways. The landscape view lets you see up to the last 24 hours of sensor readings and, if you entered Events, your Event markers.

How accurate is the Dexcom G6?

It’s important to know how different glucose tests work to understand how Dexcom G6 can be part of your diabetes care. Your doctor may do a glucose assessment test to provide a more accurate glucose number than any product you use at home...

Are there any changes with alarms and alerts?

Urgent Low Soon alert is a new alert that can warn users in advance (within 20 minutes) of a severe hypoglycemic event (55 mg/dL or 3.1 mmol/L).

Dexcom G6 App

Can I view my Dexcom CGM data on an Android Wear watch?

The Android app supports Android Wear watches to discreetly view your glucose reading, trend arrow, and trend graph.

What are the recommended G6 iPhone settings?

Your phone settings can prevent the Dexcom G6 app from working. Learn more about the settings that will allow your app to work as expected.

Why is my trend arrow missing?

When there is no arrow, it means more glucose readings are needed to establish your trend.

Can I share my glucose data with Health Connect?

Google Health Connect is Google’s health and fitness tracking app available for use with Android devices. You can enable the Dexcom G6 app to share glucose data with Health Connect, which displays glucose data with a three-hour delay. Health Connect will not display real-time glucose information.


What is the status of the Dexcom server system?

Check here for a live update on the status of the Dexcom Continuous Glucose Monitoring (CGM) servers, including the Dexcom G6 and Follow.

Need Additional Help?

Dexcom users getting technical support from dexcom representatives

Technical Support

Dexcom CGM product troubleshooting and Clarity software support
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Dexcom users getting onboarding support from Dexcom Care team

Dexcom Care

Training & support for new Dexcom users

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