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Frequently Asked CGM Questions

What is Continuous Glucose Monitoring (CGM)?

Continuous Glucose Monitors (CGMs) deliver real-time blood sugar readings, helping patients and providers manage diabetes more effectively. With automatic updates every 5 to 15 minutes, CGMs reveal patterns that traditional fingerstick testing can miss.

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How do you use a CGM?

A tiny sensor goes under your skin—usually on the abdomen or back of the upper arm. It captures readings every few minutes and wirelessly transmits the data to a display device.

Many CGM systems allow patients to use a compatible smartphone with the system’s app as the monitor. These displays show current glucose levels, trends over time, and can be set to alert users when glucose levels rise or fall beyond set thresholds.

CGM vs Blood Glucose Meter

While a traditional blood glucose meter offers a single reading at one point in time, a Continuous Glucose Monitor (CGM) provides ongoing visibility into glucose trends, including the rate and direction of change.

This continuous insight empowers patients to take a more proactive role in managing their diabetes. With CGM data, patients and providers can make more informed decisions about diabetes care.

How long is a CGM sensor worn?

Most CGM sensors last 10 to 15 days, depending on the brand.

Does insurance cover CGMs?

Medicare and many other insurances cover CGMs. To learn more about how a patient can qualify, fill out the form above.

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