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Discover Dexcom G5® Mobile Continuous Glucose Monitoring (CGM)

CGM unveils what no meter can. While meters give a number for a single point in time, CGM provides dynamic glucose information by showing where your glucose is, where it’s going, and how fast it’s getting there. Better yet, with Dexcom G5 Mobile, you can eliminate the need for confirmatory fingersticks, for daily glucose management decisions.*


* If your glucose alerts and readings do not match your symptoms or expectations, you should obtain a fingerstick. A minimum of two fingersticks a day is required for calibration.

Monitor your glucose on the go with the world's first mobile CGM platform

Dexcom G5® Mobile is the world's first real time continuous glucose monitoring (CGM) system approved for adults and children 2 years and older. Using Bluetooth technology that is built into the transmitter, Dexcom G5 Mobile allows for complete remote viewing of glucose levels, trends and data from your compatible smart device.

Meet the Dexcom G5® Mobile CGM System

1. Small Sensor that measures glucose levels just underneath the skin.


2. Transmitter that is fastened on top of the sensor and sends data wirelessly to your

    compatible smart device or your receiver.


3. A Compatible Smart Device with the Dexcom G5 Mobile app. View your glucose trends in vivid colors to know when it’s high, low or within range.


*A Dexcom G5 Mobile Receiver can also be acquired as an optional display device.


Introducing the world’s first mobile connected CGM System

The Dexcom G5 Mobile system allows for complete remote viewing of your glucose levels, trends and data from your compatible Android or Apple display devices. A Dexcom G5 Mobile Receiver can also be acquired as an optional display device.

Receive High and Low Glucose Alerts on Your Mobile Device

With the Dexcom G5® Mobile CGM System, you’ll be alerted directly on your phone when you’re heading too high or too low. Alerts and alarm sounds can also be customized to appear as a text message, allowing for additional discretion and privacy.


Sample the high and low alerts below:

Track Your Actions on Your Mobile Device

Now you can keep track of events that affect your glucose levels on your mobile device. The Dexcom G5 Mobile CGM System provides a platform to enter customizable events, giving you the ability to track how your daily activities influence your glucose trends.

Dexcom ShareTM your CGM data with loved ones

Through secure wireless connections, the Dexcom G5® Mobile CGM System allows remote viewing of glucose levels, trends and data between the person with diabetes and their spouse, grandparent or other loved ones from their compatible smart device. This provides you with added support and peace of mind!


How does Sharing work?

Using your compatible smart device, you can activate Share by tapping on the app’s icon. Follow a few simple steps, then invite up to five people to connect with you.


Having your loved ones and caregivers follow your glucose is easy. A compatible smart device with an internet connection and the Follow app (which can also be downloaded for free from the Apple® App Store) is all that is needed to begin following.

Accuracy and Sensing Performance

When it comes to glucose sensing, Dexcom sets the standard. Our outstanding accuracy, along with exceptional sensing performance, results in a reliable CGM you can trust. With the Dexcom G5® Mobile CGM System, you’ll get a CGM that’s not only appealing but one that delivers results consistently and accurately1,2.


When LOWER is better

Adults1*Performance MetricsPediatrics2*
9% Overall Accuracy
Mean ARD% (MARD), 40-400 mg/dL (2.22-22.22 mmol/L)
(% average absolute error versus reference across all glucose levels)
7% Sensor to Sensor Variation
Percent Coefficient of Variation, CV
(Consistent performance between each sensor)
Day 1: 11%
Day 4: 8%
Day 7: 9%
Accuracy Over Time
Mean ARD% (MARD), 40-400 mg/dL (2.22-22.22 mmol/L)
(Consistent sensor performance over time) Average Daily Calibration 2X/day
Day 1: 13%
Day 4: 8%
Day 7: 10%


When HIGHER is better

Adults1*Performance MetricsPediatrics2*
Clinical Accuracy
% of readings that were in the Clarke Error Grid (CEG) A Zone
[% CEG A+B Zone]
98% Sensor Life
% of sensors that last up to 7 days use

* Reference is YSI (Yellow Springs Laboratory Instrument)

References :


1. Bailey, Chang, Christiansen Clinical Accuracy of a Continuous Glucose Monitoring System with an Advanced Algorithm J Diabetes Sc Tech 2015 Vol 9(2) 209-214

2. Laffel Improved Accuracy of Continuous Glucose Monitoring Systems in Pediatric Patients with Diabetes Mellitus - Results from Two Studies Diabetes Technology & Therapeutics Volume 18, Supplement 2, 2016

3. Click here for a list of compatible smart devices.

Contact Information


Dexcom UK

Suite 1.5, Building 3,
Watchmoor Park,
Riverside Way
GU15 3YL