This will play a video. - Male in blue shirt stretches before a run while wearing a continuous glucose monitor



We’re sorry to hear that you’re experiencing a sensor issue. Please have your sensor lot number ready before beginning the sensor replacement request form.

The form below will populate with additional fields based on the answers you provide so that we can get the information we need to help you with your particular issue.

If you are having a medical emergency, please dial 911.

For Canadian customers Only  

* Indicates a required field.

What is the primary error or issue you are experiencing with your sensor?*

If you have experienced any issue besides those listed, please call our 24-Hour Technical Support Team at 1‑800‑284‑4416.

Have you received the Sensor Updating alarm for more than three (3) hours?

We will be able to serve you over the phone as the sensor may not need to be replaced. Please call Technical Support at 1‑800‑284‑4416.

Have you removed the sensor?

Were "Blood Glucose and/or Calibration" required for more than three (3) hours?*

You have indicated that you are experiencing unexplained issues with your blood glucose levels. Please call our 24-Hour Technical Support Team at 1‑800‑284‑4416.

Select your device*

Select your sensor*

Limit of five (5) sensor replacements over 90 business days.
Please allow 7 to 10 business days for your replacement to be processed and delivered.

Your information will be used and protected in accordance with our privacy statement.