If you have an upcoming medical procedure, please consult with your healthcare provider beforehand and let them know you are wearing a CGM sensor. They can advise whether any adjustments or removal are needed for your specific situation.
Below is some guidance on common procedures:
MRI, CT Scans, and X-rays: You can keep your sensor on.
After rigorous testing, Abbott confirmed that Libre 2, Libre 3, and Libre 3 Plus sensors can be safely worn during MRI, CT, and X-ray procedures with no lasting impact on sensor accuracy.
A few things to keep in mind for MRI scans:
Leave your phone outside the exam room
Readings may be inaccurate during the scan but will return to normal within 1 hour afterward
Let your imaging team know you're wearing a sensor, as it may produce a small image artifact
For more detail, see Can I Wear My CGM During Medical Imaging?
Ultrasounds: Safe to wear.
Ultrasound does not use radiation or magnetic fields, so there is no concern about sensor damage or accuracy.
Diathermy: Remove your sensor.
High-frequency electrical heat (diathermy) treatment is the one procedure where you must remove all parts of your sensor beforehand. The effect of diathermy on the sensor has not been tested and could cause damage or inaccurate readings.
For more on how temperature and heat affect your sensor, see How Does Heat or Cold Affect My CGM Sensor?
For any other medical procedure, notify your provider that you are wearing a CGM sensor and ask about any considerations or removal needed to proceed with your care.
If your sensor stops working or needs to be replaced due to a medical procedure, you can request a free replacement from the "My Sensors" tab: theiahealth.ai/sensors. For troubleshooting, see What Should I Do If I Get an Error Message in the Libre App?
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