FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 1504346 · Received September 17, 2009

Report

Report Number
2027969-2009-00829
Event Type
Malfunction
Date Received
September 17, 2009
Date of Event
August 26, 2009
Report Date
September 17, 2009
Manufacturer
BIOSITE INCORPORATED
Product Code
JPA
PMA / PMN Number
021923
Removal / Correction Number
NI
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
UNKNOWN

Narratives

Additional Manufacturer Narrative · 1

INVESTIGATION: DISCREPANT RESULTS (ACCURACY) COMPARISON OF INRATIO TEST WITH LAB RESULTS PROVIDED BY END-USER AT TIME COMPLAINT WAS FILED: DATE: (B)(6) 2009, INRATIO: 3.2, LAB: 2.5, MEAN: 2.85, CONFIDENCE LIMITS: 1.8-4.2. THE MEAN OF THE INRATIO METER AND COMPARATIVE SYSTEM INR WERE CALCULATED. BOTH INRATIO AND LAB 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. FUNCTIONAL TESTING IS NOT REQUIRED AT THIS TIME, BUT METER WILL BE TESTED WHEN IT IS RETURNED. AS OF TODAY, NO PRODUCT IS EXPECTED TO RETURN. NO FURTHER INVESTIGATION WILL BE REQUIRED. AS OF 09/15/2009, 7 DISCREPANT RESULT COMPLAINTS WERE REPORTED FOR LOT # 213040 YIELDING A COMPLAINT RATE OF 0.002%. 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. NO CORRECTIVE ACTION REQUIRED AS PRODUCT DEFICIENCY WAS NOT ESTABLISHED.

Description of Event or Problem · 1

"CALLER ALLEGED DISCREPANT RESULTS COMPARED WITH THE LAB. RESULTS AS FOLOWS:" DATE: (B)(6) 2009, INRATIO: 3.2, LAB: 2.5.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST JPA BIOSITE INCORPORATED 0100007 213040

Patients

Seq Age Sex Outcome Treatment
1 NI