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Continuous Glucose Monitors

Continuous Glucose Monitors (CGMs)

Start providing your customers with continuous glucose monitors.

A continuous glucose monitor (CGM) track glucose levels 24 hours a day, keeping your patients informed at all times about their results without painful fingersticks. They can provide a complete picture in real-time, which helps eliminate the “guessing game” and may prevent fewer episodes of hypoglycemia, improve blood sugar control, and achieve an optimal A1C level.

Many insurances, including Medicare, cover CGMs for insulin-dependent patients who meet the Medicare coverage criteria. Visit the Centers for Medicare and Medicaid Services website to view the current Medicare coverage criteria

GEMCO Medical is an authorized, accredited distributor of the Abbott FreeStyle Libre System.

Want to learn more? Complete this form, and we’ll have  a GEMCO representative reach out to you to answer all your questions. We offer over 30 years of DME industry knowledge, training, support, drop-ship programs, and a dedicated account team to ensure your success.

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Still Have Questions? Check these out!

What is Continuous Glucose Monitoring (CGM)?

A Continuous Glucose Monitor (CGM) is a device that tracks blood sugar levels continuously day and night. It collects readings automatically every 5 to 15 minutes, and helps detect trends and patterns that give the patient a more complete picture of their diabetes. The data can help patients and their providers find ways to better manage the condition. Several devices are available for adults and children. A prescription from a doctor is required to get one.


How do you use a Continuous Glucose Monitor?

The tiny glucose sensor (filament) is inserted under the skin, usually on the belly or arm. The sensor measures the interstitial glucose level, which is the glucose found in the fluid between the cells. The sensor tests glucose every few minutes. It wirelessly sends the information to a monitor.


With some systems, a compatible smart device with the CGM system app can serve as the monitor. The monitor will display current glucose levels, as well as historical trends in levels, and can also be set to send custom alerts to the user when certain glucose thresholds are reached.

How long can a sensor be worn?

Most sensors can only be worn for 10 to 14 days, depending on the manufacturer’s FDA approval.

Can a patient use their phone to check their glucose level or view their CGM data?

Yes, most CGM’s have apps that enable you to use your phone as the receiver.

CGM vs. Blood Glucose Meter

A blood glucose meter only provides a brief “snapshot” of your glucose level at a single moment in time. A CGM gives the patient a greater view of their glucose trends. It can provide valuable insight about a patients glucose levels, rate and direction of change, giving them additional insight to proactively manage their diabetes like:


  • How much insulin they should take
  • An exercise plan that’s right for them
  • The number of meals and snacks they need each day
  • The correct types and doses of medications
Will Insurance Cover a CGM?

Many insurances, including Medicare, cover CGMs. Patients must meet certain criteria to qualify. Speak with a GEMCO Medical representative about the requirements and ask about our Insulin Pump & CGM Product Guide with Billing Overview.