Food, drugs, devices › Alere San Diego, Inc.
Device recall: Alere INRatio PT/INR System Professional Model Numbers: 0100004 Product Usage: Alere INRatio ¿ 2 PT/INR Monitoring Syste
FDA enforcement event 74665 is a device recall by Alere San Diego, Inc. of San Diego, CA, initiated 11 Jul 2016 and classified Class I, with 9 product records.
FDA defines Class I as a situation in which there is a reasonable probability that the use of or exposure to a violative product will cause serious adverse health consequences or death. 3% of the 1,232 device enforcement events initiated in 2016 carry the same class.
Status: Terminated, terminated 20 Jul 2017. Initiation: voluntary: firm initiated. Alere San Diego, Inc. has 28 enforcement events on this register, with a median of 1 product record per event.
Recall classification reflects the relative degree of health hazard. Text in quotation marks is FDA's. openFDA export dated 28 Sep 2026.
Recalling firm
Alere San Diego, Inc., San Diego, CA.
Reason for recall
"Alere San Diego is initiating a voluntary recall for the Alere INRatio¿/INRatio¿2 PT/INR Monitoring Systems (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."
Distribution
"Worldwide Distribution - US Nationwide and foreign distribution to the countries of: Argentina, Australia, Azerbaijan, Bangladesh, Belarus, Belgium, Brazil, Brunei Daruss, Canada, Chile, China,…"
Product records
| Recall number | Product | Quantity | Class | Status | Report date |
|---|---|---|---|---|---|
| Z-2354-2016 | 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… | — | Class I | Terminated | 31 Aug 2016 |
| Z-2355-2016 | 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… | — | Class I | Terminated | 31 Aug 2016 |
| Z-2356-2016 | 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… | — | Class I | Terminated | 31 Aug 2016 |
| Z-2357-2016 | 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)… | — | Class I | Terminated | 31 Aug 2016 |
| Z-2358-2016 | 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… | — | Class I | Terminated | 31 Aug 2016 |
| Z-2359-2016 | 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… | — | Class I | Terminated | 31 Aug 2016 |
| Z-2360-2016 | 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… | — | Class I | Terminated | 31 Aug 2016 |
| Z-2361-2016 | 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… | — | Class I | Terminated | 31 Aug 2016 |
| Z-2362-2016 | 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… | — | Class I | Terminated | 31 Aug 2016 |
Context
Other enforcement events for Alere San Diego, Inc.
All 28 events for Alere San Diego, Inc.
Questions and answers
Why was this device recalled?
FDA's record gives the reason for recall as: "Alere San Diego is initiating a voluntary recall for the Alere INRatio¿/INRatio¿2 PT/INR Monitoring Systems (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."
What does Class I mean?
FDA classifies recalls by relative degree of health hazard. Class I is a situation in which there is a reasonable probability that the use of or exposure to a violative product will cause serious adverse health consequences or death.
Where was the product distributed?
FDA's distribution pattern field reads: "Worldwide Distribution - US Nationwide and foreign distribution to the countries of: Argentina, Australia, Azerbaijan, Bangladesh, Belarus, Belgium, Brazil, Brunei Daruss, Canada, Chile, China,…"
Is the recall still ongoing?
FDA lists the status as Terminated; the termination date is 20 Jul 2017. "Terminated" means FDA has determined that all reasonable efforts to remove or correct the product have been made.
Where does this data come from?
openFDA enforcement reports (food, drug and device), CC0, export dated 28 Sep 2026. Text in quotation marks is FDA's. The FDA enforcement report linked above is authoritative.
Provenance
Source: openFDA device enforcement reports (CC0), export dated 28 Sep 2026; records grouped by FDA event number. The class shown for the event is the most severe class among its records. Errors in processing are corrected at the next build; see corrections.