Dexcom G7: Revolutionizing Continuous Glucose Monitoring System for Better Diabetes Management

Living with diabetes presents unique challenges, requiring constant monitoring of blood glucose levels to maintain optimal health. Traditionally, this has involved frequent fingerstick testing and self-monitoring, which can be inconvenient and disruptive to daily life. However, the landscape of diabetes management has been revolutionized by the introduction of continuous glucose monitoring (CGM) systems. These innovative devices provide real-time data, empowering individuals with diabetes to make informed decisions about their diet, exercise, and insulin management.

One such groundbreaking CGM system is the Dexcom G7. Dexcom, a leader in diabetes technology, has developed the G7 to offer a new level of convenience, accuracy, and user experience. With its compact design and advanced features, the Dexcom G7 represents a significant step forward in continuous glucose monitoring for better diabetes management.

In this blog post, we will explore the Dexcom G7 and its impact on diabetes care. From understanding diabetes and traditional glucose monitoring methods to discussing the benefits of the Dexcom G7, we will delve into how this system is transforming the way individuals with diabetes manage their condition. Join us on this journey as we discover how the Dexcom G7 is revolutionizing continuous glucose monitoring, improving the lives of people with diabetes, and shaping the future of diabetes management.


Image of a person checking their blood sugar levels by fingerstick blood glucose value using a traditional glucose meter.

Understanding Diabetes and Traditional Glucose Monitoring

To fully appreciate the significance of the Dexcom G7 in diabetes management, it’s essential to understand the nature of diabetes itself and the traditional methods used for glucose monitoring.

Diabetes is a chronic metabolic disorder characterized by elevated blood glucose levels. It occurs when the body either does not produce enough insulin (a hormone that regulates blood sugar) or does not effectively use the insulin it produces. There are different types of diabetes, including type 1, type 2, and gestational diabetes, each with its unique characteristics and management requirements.

Traditionally, individuals with diabetes have relied on intermittent glucose measurement through fingerstick blood glucose testing and self-monitoring of blood glucose levels. This involves pricking a finger with a lancet to obtain a small blood sample and using a glucose meter to measure the blood sugar level. This method has been the standard approach for many years but comes with several limitations.

Firstly, traditional glucose monitoring methods are invasive and require multiple fingerstick tests throughout the day. This can be uncomfortable, time-consuming, and may cause anxiety for some individuals, especially children and those with needle phobias. Moreover, fingerstick testing provides a snapshot of glucose levels at a specific moment, rather than a continuous stream of data, potentially missing out on critical fluctuations.

Furthermore, relying solely on intermittent measurements can lead to gaps in understanding how food, physical activity, medication, and other factors impact blood glucose levels over time. This limited insight makes it challenging to make timely and informed decisions regarding diabetes management, such as adjusting insulin doses or altering dietary choices.

A product photo showcasing the Dexcom G7 with digitally connected medical devices.

Introducing the Dexcom G7

The Dexcom G7 is a revolutionary continuous glucose monitoring (CGM) system developed by Dexcom, a leading provider of diabetes management technology. The standard measurement of CGM performance is known as the mean absolute relative difference (MARD). With an overall MARD of 8.2% (the lower, the better the accuracy), Dexcom G7, an FDA-approved CGM, is the most accurate CGM cleared by the FDA.

Building on the trusted performance of Dexcom CGM, which is clinically proven to lower A1C, reduce hyperglycemia (high blood glucose) and hypoglycemia (low blood glucose), and increase time in range. Designed to enhance the user experience and provide accurate and real-time glucose data, the Dexcom G7 represents a significant advancement in CGM technology.

One of the standout features of the Dexcom G7 is its compact design. The system has a smaller and more streamlined sensor and transmitter, making it less obtrusive and more comfortable to wear. The G7 sensor applicator does use a small needle, but it doesn’t stay under the skin while you wear the sensor. While the needle pushes the sensor through your skin and into your interstitial fluid, it immediately retracts into the disposable applicator. This sleek design ensures that individuals with diabetes can seamlessly incorporate the Dexcom G7 into their daily lives without feeling self-conscious or hindered by the device.

Accuracy is a critical aspect of any CGM system, and the Dexcom G7 delivers on this front. It is engineered to provide highly precise and reliable glucose readings, empowering users with the information they need to make informed decisions about their diabetes management.

The Dexcom G7 System is also intended to autonomously communicate with digitally connected devices, including automated insulin dosing (AID) systems. The advanced sensor technology of the Dexcom G7 ensures accurate readings, even during exercise or when encountering various physiological factors that can affect glucose levels.

The Dexcom G7 also offers significant improvements in terms of ease of use. Applying the sensor is a simple and hassle-free process, allowing users to start monitoring their glucose levels quickly. Additionally, the Dexcom G7 eliminates the need for fingerstick calibration, reducing the number of necessary invasive procedures and further enhancing the user experience.

One of the most notable advancements of the Dexcom G7 is its extended wear time. The sensor is designed to be worn for up to 10 days, providing continuous glucose monitoring without the need for frequent replacements. This extended wear duration minimizes disruptions and ensures a more seamless monitoring experience.

The Dexcom G7 system’s sensors and transmitters are water-resistant as long as the transmitter is installed properly and can be exposed to water for short periods of time.


A product photo showcasing the Dexcom G7 app, smartwatch and adhesive patches, continuous glucose monitors

Dexcom G7 Features

  • Dexcom G7 Sensor

    • 10-day lifespan

    • Smallest Dexcom sensor

    • All-in-one sensor and transmitter

    • 30-minute warm up

    • 12-hour grace period

    • Can be used during pregnancy

    • Waterproof 2.4m – up to 24 hours

  • Alerts

    • Customizable sound and volume

    • High and Low alerts

    • Urgent Low alert

    • Urgent Low soon

    • Delay 1st alert

    • Alert schedule

  • Dexcom G7 Smartphone app

    • Follow app – circle of support (up to 10)

    • Clarity app- connect with a healthcare professional

  • Wear Location

    • Back of arm/upper arm

    • Upper buttocks (children only 2-6 years)

  • Connectivity

    • Smartphone iOS and Android

    • Smartwatch when connected to a smartphone

    • Dexcom G7 Receiver

    • Compatible connected partners like digital health apps

Note: To check compatible smart devices check

For more information on the differences between the Dexcom G6 and Dexcom G7, refer to Dexcom’s official website. 

An image of a person demonstrating the process of getting started and setting up the Dexcom G7 App

How to Get Started and Set Up the Dexcom G7 App

Setting up the Dexcom G7 App and getting started with the Dexcom G7 CGM is a simple process. In just three minutes, you can be on your way to using this innovative system. The following steps outline the setup process:

  1. Create a Dexcom Account

Begin by creating a Dexcom account, which will allow you to access and manage your glucose data through the Dexcom G7 App.

  1. Sensor Application

Apply the Dexcom G7 sensor to your body using the recommended application technique. The sensor is designed to be smaller and more comfortable than previous models.

  1. Overpatch Placement

Place the overpatch over the sensor to ensure secure and reliable adhesion throughout the wear period. This step helps to protect the sensor and maintain accurate readings.

  1. Pairing Code Entry

Enter the pairing code from the sensor applicator into the Dexcom G7 App. This code enables the app to establish a connection with the sensor for real-time glucose data transmission.

  1. Sensor Warmup

Allow the sensor to warm up for the specified duration, as indicated in the instructions. This allows the sensor to stabilize and start providing accurate glucose readings.

  1. Alerts Customization

Customize the alerts according to your preferences and needs. Set up notifications for high or low glucose levels to receive timely alerts and take appropriate action.

By following these steps, you will have successfully set up the Dexcom G7 App and be ready to start using the Dexcom G7 CGM system. The intuitive interface of the app makes it easy to view and interpret your glucose data, enabling you to make informed decisions about your diabetes management.

For a visual demonstration of the setup process, you can refer to the three-minute video provided by Dexcom. The video will guide you through each step, ensuring a smooth and hassle-free setup experience.

For a comprehensive guide, refer to the Dexcom G7 User Guide. It provides detailed instructions and information for setting up and using the Dexcom G7 CGM system effectively.

A person consulting with a medical professional.

Dexcom G7 Price

When considering the Dexcom G7, it is important to understand the pricing aspect of this innovative continuous glucose monitor. However, it is worth noting that specific pricing details may vary depending on factors such as location, insurance coverage, and individual circumstances. Therefore, it is recommended to consult with Dexcom or healthcare providers for the most accurate and up-to-date pricing information.

 An image of a Medicare document displaying important information regarding coverage for medical services.

Does Medicare cover Dexcom G7?

Yes, Medicare does cover Dexcom G7. Dexcom G7 is eligible for Medicare coverage if certain criteria are met. Dexcom now ships the system to Medicare patients with traditional fee-for-service coverage.

To be eligible for Medicare coverage for CGM, you need to meet the following criteria:

  • Have type 1 or type 2 diabetes.

  • Use insulin of any kind.

  • If you don’t use insulin, you must have experienced certain low blood sugar events.

It’s important to note that Medicare recently updated its coverage requirements for CGM. For a comprehensive understanding of the coverage criteria, you can refer to the Medicare guidelines.

If you have any specific questions regarding the Medicare coverage requirements for Dexcom CGM, feel free to reach out to us for further assistance. Aptiva Medical can provide you with the necessary information and address any concerns you may have.

Benefits of the Dexcom G7

The Dexcom G7 offers a range of benefits that significantly enhance diabetes management through continuous glucose monitoring. Let’s explore some of the key advantages of using the Dexcom G7:

A person wearing a CGM device on their body and checking their smartwatch to remotely monitor blood sugar

Continuous Monitoring

The Dexcom G7 provides real-time glucose data, allowing individuals with diabetes to monitor their blood sugar levels continuously. This continuous monitoring offers a comprehensive picture of glucose fluctuations throughout the day, enabling users to make timely adjustments to their diabetes management plan.

A person wearing a continuous glucose monitoring device on their arm to track high glucose event without skin irritation.

Convenience and Comfort

With its compact design and smaller profile, the Dexcom G7 offers a more comfortable and discreet monitoring experience. The device is less obtrusive, making it easier to wear and reducing self-consciousness. Its ease of use and simple sensor application process make it convenient for both new and experienced users.

A person checking their blood sugar levels using a glucose meter. Monitoring average glucose, urgent low glucose

Reduced Fingerstick Testing

Unlike traditional glucose monitoring methods, the Dexcom G7 significantly reduces the need for frequent fingerstick testing. This means fewer painful finger pricks and a more convenient monitoring routine. The Dexcom G7 System is intended to replace fingerstick blood glucose testing for diabetes treatment decisions.

A person receiving an alert of several sequential readings on their phone for their real time glucose readings

Data-Driven Insights

The Dexcom G7’s continuous glucose monitoring empowers individuals with diabetes to gain valuable insights into how their lifestyle choices impact their blood sugar levels. By analyzing the glucose trends and patterns in their glucose data, users can make informed decisions about their diet, exercise, and medication management to achieve better glycemic control.

A person smiling while looking at their phone screen to monitor and prevent severe hypoglycemia.

Customizable Alerts

The Dexcom G7 allows users to set customizable alerts for high or low glucose levels. These alerts can be received on a compatible smart device, providing timely notifications when glucose levels are outside the target range. Customizable glucose alerts offer an added layer of safety and peace of mind for individuals with diabetes and their caregivers.

if your glucose alerts urgent low glucose readings consult healthcare professionals, seek medical attention, making treatment decision

Remote Monitoring and Sharing

The Dexcom G7 facilitates remote monitoring and sharing of glucose data with healthcare providers, caregivers, or loved ones. This feature promotes better collaboration between patients and their healthcare teams, enabling timely interventions and adjustments to managing diabetes strategies.

Two individuals engaged in a happy conversation

Improved Quality of Life

By offering continuous and accurate glucose monitoring, the Dexcom G7 helps individuals with diabetes to better understand their condition and take proactive steps for optimal diabetes management. This can lead to improved glycemic control, reduced risk of complications, and an overall enhanced quality of life.

A person wearing a CGM device on their arm while gazing into the distance

Looking Ahead: Future Developments in Continuous Glucose Monitoring

While the Dexcom G7 has already revolutionized diabetes management, the field of continuous glucose monitoring continues to evolve. Ongoing advancements in technology hold the promise of further improving the accuracy, convenience, and user experience of CGM systems.

Some potential future developments in continuous glucose monitoring include:

Smaller and more discreet sensors

As technology progresses, CGM sensors are likely to become even smaller and more discreet, offering enhanced comfort and wearability.

A hand and a robotic hand holding a glucose meter together.

Integration with artificial intelligence (AI)

AI algorithms can analyze large datasets of glucose readings to provide more personalized insights and predictions. Integration of AI into CGM systems may allow for better predictive analytics and decision support.

Closed-loop systems

Closed-loop systems, also known as artificial pancreas systems, aim to automate insulin delivery based on CGM data. These systems could revolutionize diabetes management by providing a more seamless and precise approach to maintaining blood glucose meter within the target range.

Improved accuracy and calibration-free systems

Future CGM systems may offer even greater accuracy, reducing the need for frequent calibrations and further enhancing user convenience.

The Dexcom G7 has ushered in a new era of continuous glucose monitoring, offering numerous benefits for individuals with diabetes. Its compact design, accuracy, extended wear duration, and user-friendly features have transformed diabetes management, empowering individuals to make informed decisions and improve glycemic control.

Continuous glucose monitoring with the Dexcom G7 provides real-time insights into glucose trends/fluctuations, enabling users to adapt their lifestyle choices and treatment plans accordingly. By reducing the reliance on fingerstick testing and offering continuous data, the Dexcom G7 has enhanced the user experience and improved the quality of life for individuals with diabetes.

As technology continues to advance, the future of continuous glucose monitoring holds even greater promise. With ongoing developments in CGM technology, we can expect further improvements in accuracy, convenience, and integration with other diabetes management tools.

At Aptiva Medical, we offer free insurance verification services to help diabetic individuals determine if their insurance covers CGM systems. Our knowledgeable team will guide you through the process, handling insurance verification on your behalf. We aim to make CGM technology accessible and affordable, empowering you to manage your diabetes effectively. Contact us today to verify your insurance coverage and take control of your diabetes with confidence.

Contact Us Aptiva Representative for CGM. Diabetes Management

Call to speak with a diabetes care management specialist.

If you’re not sure which CGM system is right for you or if you have questions about your insurance or our services, call to speak to a care management specialist who is happy to help.

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