Important Field Safety Notice – FreeStyle Libre 3 and FreeStyle 3 Plus Sensors
Abbott has identified that certain FreeStyle Libre 3 and FreeStyle Libre 3 Plus sensors may give incorrect low glucose readings.
Using a sensor that reports incorrect low glucose readings over time could lead to unnecessary carbohydrate intake or changes to insulin dosing, which may pose serious health risks and complications.
Action required:
Please ensure this information is shared with all healthcare professionals involved in the care of patients with diabetes, including the diabetes leads within your practice.
Inform your patients to check if their sensor is affected:
- Visit www.FreeStyleCheck.com
- Select “CONFIRM SENSOR SERIAL NUMBER.”
- Patients will need to locate their sensor serial number to determine if sensor is potentially affected.
- If sensor is identified as potentially affected, to stop using it immediately and dispose of affected sensor(s).
- Abott will send a free replacement sensor
For further information, contact Abbott Customer Service: 0800 170 11 77.
For full details, please refer to the Field Safety Notice: Field Safety Notices: 17 to 21 November 2025 – GOV.UK and the enclosed patient communication provided.