FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 1847737 · Received September 23, 2010

Report

Report Number
2027969-2010-01547
Event Type
Malfunction
Date Received
September 23, 2010
Date of Event
August 25, 2010
Report Date
September 23, 2010
Manufacturer
ALERE SAN DIEGO, INC.
Product Code
GJS
PMA / PMN Number
021923
Removal / Correction Number
NI
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
NJ, US
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

BOTH INR RESULTS PROVIDED BY CUSTOMER WERE PERFORMED MORE THAN THREE HOURS APART. SINCE TIME OF TEST EXCEEDED THREE HOURS, THERE IS A HIGH POSSIBILITY THAT THE DISCREPANCIES ARE DUE TO CHANGES IN THE STATUS OF THE PT. THREE HOURS IS CONSIDERED A REASONABLE LENGTH OF TIME BETWEEN TWO READINGS IN ORDER FOR THE COMPARISON TO BE VALID. DATA ANALYSIS WILL NOT BE PERFORMED AND NO FURTHER INVESTIGATION WILL BE PURSUED. NO PRODUCT IS EXPECTED TO BE RETURNED. AS OF 09/23/2010, TEN DISCREPANT RESULT COMPLAINTS WERE REPORTED FOR LOT #233708 YIELDING A COMPLAINT RATE OF 0.007%. 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: 4.4, LAB: 3.3. PT'S THERAPEUTIC RANGE: 2.5-3.5 INR.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST GJS ALERE SAN DIEGO, INC. 100071 233708

Patients

Seq Age Sex Outcome Treatment
1 NI