FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 1628416 · Received March 2, 2010

Report

Report Number
2027969-2010-00252
Event Type
Malfunction
Date Received
March 2, 2010
Date of Event
February 4, 2010
Report Date
March 2, 2010
Manufacturer
BIOSITE INCORPORATED
Product Code
JPA
PMA / PMN Number
021923
Removal / Correction Number
NI
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NC, 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: DATA ANALYSIS OF MEAN CALCULATION FROM COMPARISON TEST DATA PROVIDED BY END-USER REVEALED 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. NO PRODUCT IS EXPECTED TO BE RETURNED. THERE IS NO SUFFICIENT INFO TO DETERMINE THE ROOT CAUSE OF CUSTOMER'S DISCREPANCIES. AS OF 03/01/2010, TWENTY-ONE DISCREPANT RESULT COMPLAINTS WERE REPORTED FOR LOT #220392 YIELDING A COMPLAINT RATE OF 0.005%. 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. ONGOING TRENDING SHALL BE PERFORMED TO DETERMINE IF FURTHER ACTION IS WARRANTED. NO CORRECTIVE ACTION REQUIRED AT THIS TIME AS NO PRODUCT DEFICIENCY WAS ESTABLISHED.

Description of Event or Problem · 1

CALLER ALLEGED DISCREPANT RESULTS COMPARED WITH THE LAB. RESULTS AS FOLLOWS: DATE: (B)(6)2010, INRATIO: 4.0, LAB: 2.8; 4.2, 2.9; 4.3, 2.68.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST JPA BIOSITE INCORPORATED 100139 220392

Patients

Seq Age Sex Outcome Treatment
1 NI