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I-Stat Prothrombin Time Test

by I-Stat Corporation 510(k)

Active United States

510(k) K020355

Regulatory status

as of 27 Oct 2026

RegionAuthorizationNumberDateStatus
United StatesFDA 510(k)SESE Substantially Equivalent · Traditional NumberK020355 Date14 May 2002ClearedStatusActive

Coverage

1 jurisdiction

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United States — FDA 510(k) Active

Recalls

5 recalls · FDA

    • Terminated Z-2361-2015 FDA Class II initiated 15 Jun 2015

    Certain lots of PT/INR cartridges may generate a higher than typical number of PT/INR star outs potentially delaying the generation of patient results for PT/INR.

    • Terminated Z-0451-2014 FDA Class II initiated 28 Oct 2013

    Abbott Point of Care Inc (APOC) has determined that i-Stat PT/INR cartridges have the potential to exhibit incorrectly elevated INR.

    • Terminated Z-2157-2012 FDA Class II initiated 1 Mar 2012

    The i-STAT PT/INR cartridges have the potential to exhibit incorrectly elevated results.

    • Terminated Z-1996-2010 FDA Unclassified (pre-2012) initiated 5 May 2010

    A high mean bias (12-16%) was documented in 8 lots of i-STAT PT/INR cartridges. This may lead a clinician to believe that a patient is adequately anticoagulated when they are not. Inadequate anticoagluation therapy may be given and issues with clotting and/or thrombosis could occur. No reports of injury have been received.

    • Terminated Z-0364-2007 FDA Unclassified (pre-2012) initiated 12 Dec 2006

    Patients treated with the antibiotic CUBICIN can cause a concentration dependent false prolongation of prothrombin time (PT) and elevation of INR (International Normalized Ratio) when using the i-STAT PT/INR cartridges.

Specification

510(k)

510(k) Number
FDA Product Code
GJS
Device Class
Class II
Regulation
21 CFR Part 864.7750
Advisory Committee
Hematology
FDA Decision
SESE Substantially Equivalent

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