Alere INRatio® and INRatio®2 PT/INR Monitor System Voluntary Withdrawal

Alere is initiating a voluntary withdrawal of the Alere INRatio® PT/INR Monitor system. In certain cases an Alere INRatio® PT/INR Monitor system may provide an INR result that is clinically significantly lower than a result obtained using a reference INR system (laboratory method).

For more information, please select if you are a Healthcare Professional or a Patient Self-Tester.

Healthcare Professional Information
Patient Self-Tester Information

Questions? Contact Alere

If you have any general inquiries, clinical considerations, or questions about the voluntary withdrawal, please contact
Alere at
or email