Introduction to Dexcom CGM

Order and Shipment Questions

Where can I purchase Dexcom G6?

Customers may purchase Dexcom G6 directly from our online store.
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Common Dexcom CGM Questions

I am an existing customer. Can I upgrade to Dexcom G6?

Visit our Dexcom Store to place your first Dexcom G6 order or to reorder supplies.

What is the difference between a Dexcom CGM sensor glucose value and blood glucose value (BGV)?

Dexcom CGM systems measure the glucose levels in the interstitial fluids just beneath your skin. Blood glucose meters measure glucose levels in your blood.

What are the main differences between Dexcom G5 Mobile and G6?

The Dexcom G6 is Dexcom's latest generation continuous glucose monitoring (CGM) system. Unlike previous generations, this CGM system is factory-calibrated, so zero finger pricks are required.

Common Activities with Dexcom CGM

What components are required with the G6 system?

A new Dexcom patient will receive the Dexcom G6 system including a transmitter and sensors. An optional touch screen receiver is available as well. If you decide to use a compatible smart device*, you will need to download the new Dexcom G6 app.

Where and How to Order

Is Dexcom G6 available in my country?

Go to to learn more.

Who Can Use Dexcom CGM?

Is Dexcom G6 available on the NHS?

Since April 2022, NHS England recommends that all people with type 1 diabetes are offered a glucose sensor such as Dexcom real time continuous glucose monitoring (CGM) System to manage their diabetes.

Can I switch my NHS funding for Libre to Dexcom?

The NHS has a separate funding agreement in place for flash glucose monitoring which means you may not automatically be eligible for CGM funding. Your diabetes healthcare professional can advise on whether funding for CGM could be an option for you.

What is the Dexcom G6?

The Dexcom G6 is Dexcom's latest generation continuous glucose monitoring (CGM) system. Unlike previous generations, this CGM system is factory-calibrated so zero fingersticks are required.

Is this product approved for Pediatrics?

Yes, Dexcom G6 is indicated for children as young as 2 years old.

Setting Up Your Smartphone or Receiver

How do I set up the Dexcom G6 with my phone?

The Dexcom G6 app has to be downloaded and is different from the Dexcom G5 Mobile app. It is available for free from the Apple App or Google Play stores.

Setting Up Follow on a New Device

What smart phones are compatible with the Follow app?

iOS and Android platforms are compatible for Followers.

Setting Up Sharing and Dexcom Clarity

How do I log in to Dexcom Clarity?

You must have a Dexcom account to use Dexcom Clarity. You must use the same Dexcom account for all your Dexcom devices

How do I get to Dexcom Clarity?

Go to from an internet browser with internet connection. Review Clarity's list of computer and internet requirements if needed.

Using the Follow App

What is Dexcom Follow?

Remotely monitor a Dexcom CGM user's glucose with the Dexcom Follow app.

I'm an existing customer. Can I upgrade to Dexcom G6?

Yes, please go to or contact your local Dexcom Representative for more details.

CGM and Daily Life

What is Continuous Glucose Monitoring (CGM)?

Dexcom Continuous Glucose Monitoring (CGM) tracks glucose levels throughout the day and night and can alert you if your levels go too high or low.

Managing Your Online Account

How do I create a Dexcom user account?

To create an online account with Dexcom, go to

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