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Recall data is sourced from official U.S. government agencies (CPSC, FDA, NHTSA, USDA) and processed using AI to improve readability. This site is not affiliated with or endorsed by any government agency. Always refer to the original agency notice for authoritative information.

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Critical RiskFDA Device

Alere San Diego, Inc.: Alere San Diego is initiating a voluntary recall for the Alere INRatio¿/INRatio¿2 PT/INR Monitoring System (Test Strips and Meters). This action is being initiated as a result of patients who had a therapeutic or near-therapeutic INR with the Alere INRatio¿/INRatio¿2 PT/INR Monitoring System but a significantly higher INR (outside of therapeutic range) when performed by a central laboratory.; Alere San Diego is initiating a voluntary recall for the Alere INRatio¿/INRatio¿

Agency Publication Date: August 19, 2016
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Affected Products

Product: Alere INRatio PT/INR System Professional Model Numbers: 0100004 Product Usage: Alere INRatio ¿ 2 PT/INR Monitoring System (Professional Use): The Alere INRatio ¿ 2 PT/INR Monitoring System (Professional Use), consisting of the INRatio ¿ 2 Monitor and INRatio¿ 2 PT/INR test strip, is used for quantitative determination of international normalized ratio (INR) in fresh capillary whole blood to monitor the effect of warfarin on clotting time by health care professionals. The Alere INRatio¿ 2 PT

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Product: INRatio Prothrombin Time (PT) Monitoring System Model Number: 0100007 Product Usage: The INRatio Prothrombin Time Monitoring System uses a modified version of the one-stage PT test. After a drop of blood is applied to the test strip, it is drawn into the test area and mixed with reagents that cause coagulation to begin. The test strip area on the test strip is separated into three channels, each of which contains electrodes for detection of the blood clot. One channel contains the reagents

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Product: Alere INRatio Replacement Monitor Model Number: 0100137 Usage: The INRatio 2 PT Monitoring system is used for the quantitative measurement of Prothrombin Time (PT) in fresh, capillary whole blood. The INRatio 2 PT Monitoring system is intended for use outside the body (in vitro diagnostic use) by people taking warfarin and other oral anticoagulant (blood thinning) therapy who need to monitor the clotting time of their blood. The INRatio 2 PT Monitoring System is not intended to be used for

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Product: Alere INRatio2 PT/INR Professional Testing System Model Number: 0200431 Product Usage: The INRatio 2 PT Monitoring system is used for the quantitative measurement of Prothrombin Time (PT) in fresh, capillary whole blood. The INRatio 2 PT Monitoring system is intended for use outside the body (in vitro diagnostic use) by people taking warfarin and other oral anticoagulant (blood thinning) therapy who need to monitor the clotting time of their blood. The INRatio 2 PT Monitoring System is not

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Product: Alere INRatio2 PT/INR Home Monitoring System Model Number: 0200432, 0200433 Product Usage: Alere INRatio 2 PT/INR Home Monitoring System: The Alere INRatio 2 PT/INR Home Monitoring System, consisting of the INRatio 2 Home Monitor and INRatio PT/INR test strip, is used for quantitative determination of international normalized ratio (INR) in fresh capillary whole blood to monitor the effect of warfarin therapy on clotting time by properly selected suitably trained users (by prescription for

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Product: Alere INRatio2 Replacement Monitor (Home) Model Number: 0200457 Product Usage: Alere INRatio 2 PT/INR Home Monitoring System: The Alere INRatio 2 PT/INR Home Monitoring System, consisting of the INRatio 2 Home Monitor and INRatio PT/INR test strip, is used for quantitative determination of international normalized ratio (INR) in fresh capillary whole blood to monitor the effect of warfarin therapy on clotting time by properly selected suitably trained users (by prescription for home use or

All Lots All Serial Numbers

Product: Alere INRatio2 PT/INR Professional Monitoring System Model Number: 55128A Product Usage: The Alere INRatio¿/INRatio¿2 system uses a modified version of the one-stage PT test. After a drop of blood is applied to the test strip, it is drawn into the test area and mixed with reagents that initiate coagulation. When the blood clots, changes in impedance in the sample are detected by the monitor. The monitor calculates the PT and INR results from this impedance change and reports them on the dis

All Lots All Serial Numbers

Product: Alere INRatio PT/INR Test Strips Model Number: 0100071, 0100139 Product Usage: The INRatio/INRatio2 Test Strips perform a modified version of the one-stage Prothrombin Time test, using a recombinant human thromboplastin reagent. The clot formed in the Prothrombin Time reaction is detected by a change in the electrical impedance of the sample during the coagulation process. The system consists of a monitor and disposable test strips. The monitor measures impedance, heats the test strip to th

All Lots All Serial Numbers

Product: Alere INRatio/ INRatio2 PT/INR Test Strips Model Number: 99007EU, 99007G1, 99007G3, 99007G5, 99007G7, 99008EU, 99008G1, 99008G3, 99008G5, 99008G7 Product Usage: The Alere INRatio¿/INRatio¿2 system uses a modified version of the one-stage PT test. After a drop of blood is applied to the test strip, it is drawn into the test area and mixed with reagents that initiate coagulation. When the blood clots, changes in impedance in the sample are detected by the monitor. The monitor calculates the P

All Lots All Serial Numbers

Additional Information

Agency: Food and Drug Administration (FDA)
Event ID: 74665
Status: Resolved
Manufacturer: Alere San Diego, Inc.
Manufactured In: United States

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AI-Enhanced Content: The summary, action steps, and risk assessment on this page were generated by AI from official government recall data to improve readability. This is not legal or medical advice. Always refer to the official agency sources below for authoritative information.

Sources: FDA iRES · Raw API Response

openFDA Disclaimer: This recall information is sourced from the openFDA API. Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. Refer to the openFDA terms of service for more information.