FDA Adverse Event Malfunction Summary report: N

INRATIO

MDR report key: 1864545 · Received October 4, 2010

Report

Report Number
2027969-2010-01648
Event Type
Malfunction
Date Received
October 4, 2010
Date of Event
September 13, 2010
Report Date
October 1, 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
PA, US
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

BOTH INR RESULTS PROVIDED BY CUSTOMER WERE PERFORMED MORE THAN THREE HOURS APART. SINCE THE TIME BETWEEN TESTS EXCEEDED THREE HOURS, THERE IS A HIGH PROBABILITY THAT THE DISCREPANCIES ARE DUE TO CHANGES IN THE STATUS OF THE PATIENT. 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 10/04/2010, TWENTY-NINE DISCREPANT RESULT COMPLAINTS WERE REPORTED FOR LOT #232886 YIELDING A COMPLAINT RATE OF 0.015%. 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 IMPRECISION WITH INRATIO METER. RESULTS AS FOLLOWS: DATE: (B)(6) 2010, INR: 5.5 (AM), 4.3 (PM).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST GJS ALERE SAN DIEGO, INC 100139 232886

Patients

Seq Age Sex Outcome Treatment
1 NI