Alere INRatio® PT/INR Monitor System Voluntary Withdrawal

Healthcare Professional Information

This is important information concerning the Alere INRatio® PT/INR Monitor system (INRatio® Monitor or INRatio®2 Monitor and INRatio® Test Strips).

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 about the Alere INRatio® PT/INR Monitor system Voluntary Withdrawal, please review the Urgent Medical Device Recall notification released on July 26, 2016.

If you have any questions, please contact Alere at 1-866-723-2535 or email

Click here to view the Press Release issued July 11th, 2016. [pdf 212KB]

Questions? Contact Alere

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