BEUDAMED
    FDA Adverse Event Malfunction Summary report: N

    INRATIO

    MDR report key: 1566454 · Received December 2, 2009

    Report

    Report Number
    2027969-2009-01130
    Event Type
    Malfunction
    Date Received
    December 2, 2009
    Date of Event
    November 13, 2009
    Report Date
    December 2, 2009
    Manufacturer
    BIOSITE INCORPORATED
    Product Code
    GJS
    PMA / PMN Number
    021923
    Product Problem
    Yes
    Report Source
    Manufacturer report
    Reporter Location
    US
    Reporter Occupation
    NOT APPLICABLE

    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) 2009, INRATIO METER = 5.6 INR, REFERENCE = 10.2 INR, MEAN = 7.90, CONFIDENCE LIMITS = UNABLE TO DETERMINE. THE TIME OF TESTING BETWEEN INRATIO AND REFERENCE IS NOT INDICATED. THREE HOURS IS CONSIDERED A REASONABLE LENGTH OF TIME BETWEEN TWO READINGS IN ORDER FOR COMPARISON TO BE VALID. THE MEAN OF THE INRATIO METER AND COMPARATIVE SYSTEM INR WERE CALCULATED. BOTH VALUES ARE ABOVE 5.0 AND NOT CONSIDERED DISCREPANT WITHIN THE CONTEXT OF THE DOCUMENTED VARIABILITY FOR INR TESTING. THEREFORE, NO FURTHER TESTING BEYOND THE INVESTIGATION IS REQUIRED AT THIS TIME. AS OF 11/25/2009, 2 DISCREPANT RESULT COMPLAINTS WERE REPORTED FOR LOT #220376 YIELDING A COMPLAINT RATE OF 0.001%. DUE TO THIS LOW OCCURRENCE RATE, BELOW THE ACTION THRESHOLDS MONITORED BY QA FOR CORRECTIVE ACTION (>0.07%) NO FURTHER ACTION IS REQUIRED AT THIS TIME. ON GOING TRENDING SHALL BE PERFORMED TO DETERMINE IF FURTHER ACTION IS WARRANTED. CORRECTIVE ACTION NOT REQUIRED AT THIS TIME AS PRODUCT DEFICIENCY WAS NOT ESTABLISHED.

    Description of Event or Problem · 1

    CALLER ALLEGED DISCREPANT RESULTS COMPARED WITH THE LAB. RESULTS AS FOLLOWS: DATE: (B)(6) 2009; INRATIO: 5.6; LAB: 10.2.

    Devices

    Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
    1 INRATIO PROTHROMBIN TIME TEST GJS BIOSITE INCORPORATED 100139 220376

    Patients

    Seq Age Sex Outcome Treatment
    1