FDA Adverse Event Injury Summary report: N

INRATIO

MDR report key: 1991990 · Received February 7, 2011

Report

Report Number
2027969-2011-00267
Event Type
Injury
Date Received
February 7, 2011
Date of Event
January 17, 2011
Report Date
February 7, 2011
Manufacturer
ALERE SAN DIEGO, INC.
Product Code
GJS
PMA / PMN Number
021923
Removal / Correction Number
NI
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
FL, US
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

INRATIO PRECISION DATA PROVIDED BY END-USER: 1ST INR: 4.8, 2ND INR: 5.4, MEAN: 5.10, SD: 0.42, %CV: 8.32. THE 1.9 INR WAS EXCLUDED FROM COMPARISON TEST SINCE NO CORRESPONDING REFERENCE OR REPEATED INRATIO VALUE WAS PROVIDED. ANALYSIS OF CUSTOMER'S RESULTS REVEALED THAT REPEATED INRATIO TEST RESULT COMPARISON DID MEET PRECISION CRITERIA. CUSTOMER'S RESULTS ARE NOT CONSIDERED DISCREPANT WITHIN THE CONTEXT OF THE DOCUMENTED VARIABILITY FOR INR TESTING. NO PRODUCT IS EXPECTED TO BE RETURNED. NO FURTHER INVESTIGATION REQUIRED. AS REVIEWED ON 02/07/2011, SEVENTY DISCREPANT RESULT COMPLAINTS WERE REPORTED FOR LOT #243934, YIELDING A COMPLAINT RATE OF 0.052%. 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. THIS ISSUE WILL BE SUBJECT TO TRACKING AND TRENDING. 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: NG, INRATIO: 1.9. DATE: (B)(6) 2011, INRATIO 4.8. INRATIO: 5.4. PATIENT'S THERAPEUTIC RANGE: 2.0-3.0 INR. DOCTOR INCREASED PATIENT'S COUMADIN DOSE BASED ON INRATIO RESULT OF 1.9 INR.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 INRATIO PROTHROMBIN TIME TEST GJS ALERE SAN DIEGO, INC. 100071 243934

Patients

Seq Age Sex Outcome Treatment
1 NI Other