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COVID-19 update: at this moment there are no interruptions to Dexcom’s ability to produce
and supply product as a result of the Coronavirus. Please click here for more information.
For Technical Support, please click here to submit a request form.
Click here for information regarding the use of Dexcom CGM in Hospitals during COVID-19.


Meet the Dexcom G6 CGM System

A small, wearable sensor and transmitter sends your glucose numbers to a smart device or receiver every 5 minutes. It's easy to wear and easy to use.

Ade A., Age 51

There is a better way to manage your Type 2 diabetes with the Dexcom G6.

Dexcom G6 is easy for everyone to use. It’s a powerful diabetes management tool that is designed to simply and effectively help you reach your diabetes goals.

Keeping You in Control

Dexcom CGM is proven to lower A1C 1,2 and reduce hypoglycemic incidents§, and it helps you see where your glucose levels are heading.

Zero Fingersticks

The Dexcom G6 is FDA-permitted to make diabetes treatment decisions without confirmatory fingersticks or calibration.*


*Fingersticks required for diabetes treatment decisions if symptoms or expectations do not match readings.

Customizable Alerts & Alarms

Always know your glucose numbers with just a quick glance at your smart device.† Set your range to get notified when you're heading too high or low.

Share Your Glucose Data

Use the Dexcom Share feature available in the Dexcom G6 CGM App to share your glucose data with up to 10 followers.††

Brandon D.
Dexcom Warrior

It All Starts with a Tiny, Wearable Sensor

The Dexcom G6 features a slim, water-resistant‡‡ sensor that is discreet and easy to insert. The sensor accurately measures glucose levels just beneath the surface of the skin and sends data wirelessly every 5 minutes to your compatible smart device or receiver.

An Integrated System for Diabetes Management

Managing diabetes can be complex. With Dexcom CLARITY Reporting Software, diabetes data reporting and management are now made simple.

Dexcom is Here For You

Whether you're just exploring Dexcom CGM or have been a customer for years, we're here to help support your CGM journey.


Dexcom CGM Systems are permitted for use between altitudes of ~1,300 and 13,800 feet.

Ready to Get Started with Dexcom CGM?

We’ll walk you through the process, including health insurance coverage and Medicare eligibility.

Setting Up Your Dexcom CGM System for the First Time

We’ll make it easy to get started with information, videos and tips.

Questions About Your Dexcom CGM Device?

Our online support center is available 24/7 to help you with any technical issues.

Dexcom Warriors Community

Dexcom Warriors come in all ages and backgrounds, from Olympic skiers and country music singers to hardworking moms, middle school athletes and world traveling seniors. These folks remind us that we can live with diabetes and without limits.

What I’ve learned is that it’s important to change the challenge into an opportunity. Chelsea Gelbart, Nurse Practitioner / Mountain Climber

My favorite feature is the Follow app. I can monitor Ragan’s levels around the clock! Laura Strong, mom of champion cheerleader, Ragan

Living with Type 1 diabetes is challenging. I do not have a magical mantra or wand. But, I do have guts. Stephanie Iacovelli, Diagnosed at 52 years old

Order Your Dexcom System and Supplies Today

Order Your First Dexcom CGM System

See the ordering process, understand insurance coverage and place your first order.

Reorder Supplies

If you’re a current Dexcom customer, you can reorder supplies in our online store.

Review Upgrade Eligibility

Learn more about the eligibility requirements and other details for upgrading your device.

*If your glucose alerts and readings from the G6 do not match symptoms or expectations or you’re taking over the recommended maximum dosage amount of 1000mg of acetaminophen every 6 hours, use a blood glucose meter to make diabetes treatment decisions.


† For a list of compatible devices, visit


‡ See user guide for set up instructions


§ The urgent low soon can warn you in advance of severe hypoglycemia—allowing you time to take appropriate action before it happens.


†† Separate Follow App required. 


‡‡ The Dexcom G6 Sensor and Transmitter are water-resistant and may be submerged under eight feet of water for up to 24 hours without failure when properly installed.


1 JAMA. 2017;317(4):371-378.


2 Welsh, J.B. et al (2019). "Accuracy, Utilization, and Effectiveness Comparisons of Different Continuous Glucose Monitoring Systems." Diabetes Technol Ther 21(3) Dexcom, Dexcom G6, Dexcom Share, and Dexcom CLARITY are registered trademarks of Dexcom, Inc. in the United States and/or other countries.


Failure to use the Dexcom G6 Continuous Glucose Monitoring System (G6) and its components according to the instructions for use provided with your device and available at and to properly consider all indications, contraindications, warnings, precautions, and cautions in those instructions for use may result in you missing a severe hypoglycemia (low blood glucose) or hyperglycemia (high blood glucose) occurrence and/or making a treatment decision that may result in injury. If your glucose alerts and readings from the G6 do not match symptoms or expectations or you’re taking over the recommended maximum dosage amount of 1000mg of acetaminophen every 6 hours, use a blood glucose meter to make diabetes treatment decisions. Seek medical advice and attention when appropriate, including for any medical emergency.