BEUDAMED
    FDA Adverse Event Malfunction Summary report: N

    INRATIO

    MDR report key: 2022513 · Received February 15, 2011

    Report

    Report Number
    2027969-2011-00321
    Event Type
    Malfunction
    Date Received
    February 15, 2011
    Date of Event
    January 21, 2011
    Report Date
    February 15, 2011
    Manufacturer
    ALERE SAN DIEGO, INC.
    Product Code
    GJS
    PMA / PMN Number
    K021923
    Removal / Correction Number
    NI
    Product Problem
    Yes
    Report Source
    Manufacturer report
    Reporter Location
    NJ, US
    Reporter Occupation
    OTHER

    Narratives

    Additional Manufacturer Narrative · 1

    DISCREPANT RESULTS (ACCURACY) COMPARISON OF INRATIO TEST WITH LAB RESULTS PROVIDED BY END-USER AT TIME COMPLAINT WAS FILED: DATE: (B)(6) 2011, INRATIO: 2.5, REFERENCE: 1.6, MEAN: 2.05, CONFIDENCE LIMITS: 1.3 - 2.7. THE MEAN OF THE INRATIO METER AND COMPARATIVE SYSTEM INR WERE CALCULATED. BOTH INRATIO AND REFERENCE VALUES ARE WITHIN THE CONFIDENCE LIMITS FOR INR TESTING. THE RESULTS ARE NOT CONSIDERED DISCREPANT WITHIN THE CONTEXT OF THE DOCUMENTED VARIABILITY FOR INR TESTING. NO FURTHER INVESTIGATION IS REQUIRED. ANALYSIS OF THE CLIENT'S DATA FROM INRATIO AND REFERENCE TESTS REVEALED THAT TEST RESULT COMPARISON MET ACCURACY CRITERIA. CUSTOMER'S RESULTS ARE NOT CONSIDERED DISCREPANT WITHIN THE CONTEXT OF THE DOCUMENTED VARIABILITY FOR INR TESTING. (B)(4). DUE TO THIS LOW OCCURRENCE RATE, BELOW THE ACTION THRESHOLDS MONITORED BY QA FOR CORRECTIVE ACTION (B)(4) NO FURTHER ACTION IS REQUIRED AT THIS TIME. THIS ISSUE WILL BE SUBJECT TO TRACKING AND TRENDING.

    Description of Event or Problem · 1

    CALLER ALLEGED DISCREPANT RESULTS COMPARED WITH THE LAB. RESULTS AS FOLLOWS: DATE: (B)(6) 2011, INRATIO: 2.5, LAB: 1.6. PT THERAPEUTIC RANGE IS 2.5 - 3.5.

    Devices

    Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
    1 INRATIO PROTHROMBIN TIME TEST GJS ALERE SAN DIEGO, INC. 100071 234523

    Patients

    Seq Age Sex Outcome Treatment
    1 NI