Airport screening with a continuous glucose monitor

Check the exact model

A sensor worn on the body and spare items in a bag may face different checks. Look up the current manufacturer instructions for your exact sensor, transmitter and receiver. Ask which methods are allowed for each component; advice for one generation or one scanner does not apply to all devices.

Confirm the screening options before travel

Ask departure and transfer airports which screening methods are available. Bring the model instructions and, if requested, a letter explaining the device. Before screening, tell the officer where the sensor is worn and which parts are in your bag. Ask about visual or manual inspection when manufacturer instructions call for it; a letter does not exempt you from screening.

Keep border checks and a backup plan separate

For spare sensors, check customs requirements separately, keep packaging and a quantity list, and declare items when required. Ask your diabetes care team how to monitor glucose if the device fails or must be replaced while travelling.

Official sources

• CAAC civil aviation screening rules
• Dexcom: screening instructions for G7
• China Customs passenger baggage

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