Introduction to Dexcom G7 CGM System

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
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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.

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.

Is the Dexcom G7 CGM System indicated for paediatric patients?

Yes, Dexcom G7 is indicated for children as young as 2 years old.

How do I get Dexcom on prescription?

To find out if you are eligible to receive a Dexcom CGM System on the NHS talk to your Healthcare Professional. You can learn more about NHS funding for Dexcom.

System Overview

What is new for Dexcom G7?

Smaller, all-in-one sensor; 30-minute sensor warmup; 12-hour grace period at the end of the sensor session; Redesigned mobile app with Clarity reports included; New alert quiet modes let you silence all alerts for up to 6 hours; Re-designed receiver that is smaller (as compared to Dexcom G6), with a more vibrant display; No sensor code, only a 4-digit pairing code provided on each new Dexcom G7 applicator

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.

Common Dexcom CGM Questions

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.

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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