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Many Medicaid programs now pay for continuous glucose monitors, but eligibility, devices, and prior authorization rules vary by state.

Continuous glucose monitors stream readings and send alerts, while flash systems give on-demand scans when you pass a reader or phone over the sensor.

Continuous glucose monitors send low power wireless signals using non-ionizing radiation that current research has not linked with clear harm.

Some new over-the-counter sensors let adults track glucose without a prescription, but rules, costs, and safety checks call for careful planning.

Contact lenses that track glucose exist only in trials and are not cleared for routine diabetes use today.

These dual blood meters measure both blood sugar and ketones so you can follow day to day control and spot serious problems earlier.

Continuous ketone monitoring uses a small wearable sensor to track ketone trends so you can spot rising levels sooner and work with your diabetes team.

Continuous cortisol monitoring devices track hormone patterns through body fluids over time, often with wearables or repeated tests linked to mobile apps.

Most CGM sensors last 7–14 days, while implantable models can keep working about 6–12 months before replacement.

A continuous glucose monitor sits on a flat, clean patch of skin, inserted with its applicator and pressed so the adhesive forms a smooth seal.