Request a CGM sensor replacement

Sensor error

It's possible for some sensors to fail early and show an error in the LibreLink app. If this happens, please Request a Replacement Sensor. If you have another sensor handy, you can apply it now.

Sensor accuracy questions

Have a question about your sensors accuracy or calibration? Do not replace your sensor just yet.

You can also find more information about Sensor Accuracy here or Request a Replacement Sensor here.

Sensor fell off

If your sensor becomes partially or fully dislodged from its original place, don't attempt to push it back in.

Please follow these steps:

  1. Do not attempt to push the sensor back in
  2. Remove your sensor
  3. Apply your next sensor (if you have one)
  4. Request a replacement sensor

Questions? Send us an email at or tap Help in the app to contact us with more details and we'll see how we can help.

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