FDA recall record

Alere INRatio2 PT/INR Professional Test Strips recall — FDA Z-1546-2014

Test Strips may report an inaccurately low INR result. Several patients had a therapeutic or near-therapeutic INR with the Alere INRatio2 PT/INR…

Class Iclassification
Z-1546-2014official record ID
May 14, 2014report date

Recall record at a glance

Official recordZ-1546-2014
CategoryMedical Device Recalls
ClassificationClass I
FDA record statusTerminated
Recalling firmAlere San Diego, Inc.
Report dateMay 14, 2014
Recall initiation dateApr 16, 2014
QuantityEstimated 99,795 Total units
LocationSan Diego, CA, United States

Official product description

Alere INRatio2 PT/INR Professional Test Strips, Model Number: 99008G2. The Alere INRatio2 PT/INR Monitoring System (Professional Use), consisting of the Monitor and 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 health care professionals. (in vitro diagnostic use).

Why the product was recalled

Test Strips may report an inaccurately low INR result. Several patients had a therapeutic or near-therapeutic INR with the Alere INRatio2 PT/INR Professional Test Strip but a significantly higher INR (outside of therapeutic range) when performed by a central laboratory.

Distribution information

US Nationwide Distribution

How to read the classification

FDA Class I indicates a situation in which there is a reasonable probability that use of or exposure to the product will cause serious adverse health consequences or death. The classification shown here comes directly from the FDA enforcement record.

Additional record details

Recall type: Voluntary: Firm initiated. Initial notification: Letter.

What to do next

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