FDA Adverse Event Malfunction Summary report: N

ARCHITECT HAVAB IGM REAGENT

MDR report key: 2023497 · Received March 18, 2011

Report

Report Number
3002809144-2011-00102
Event Type
Malfunction
Date Received
March 18, 2011
Date of Event
February 20, 2011
Report Date
February 23, 2011
Manufacturer
ABBOTT
Product Code
LOL
PMA / PMN Number
K063329
Removal / Correction Number
3002809144-4/21/11-001-R
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
UT, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

(B)(4). CONTINUED FROM CONCOMITANT MEDICAL DEVICE: ARCHITECT I2000SR ANALYZER, LIST # 3M74-01, SERIAL # (B)(4). RESULTS: CROSS CONTAMINATION WAS IDENTIFIED AS A POTENTIAL CAUSE. CONCLUSION: (B)(4). AN ADVERSE TREND IN US CUSTOMER COMPLAINTS FOR ARCHITECT HAVAB-IGM ASSAY (LIST NUMBER 6L21) REGARDING HIGHER THAN USUAL (B)(6) RESULTS RATE WAS DETECTED ON MARCH, 2009. THE INVESTIGATION REVEALED THE MOST PROBABLE CAUSE FOR THE INCREASE RATE OF (B)(6) RESULTS IS THE HAV ANTIGEN CODE 26286 WHICH HAS A REDUCED POTENCY THAT AFFECTS THE ARCHITECT HAVAB-IGM PERFORMANCE. (B)(4). AS A RESULT, THE SIGNAL TO NOISE RATIO IS SHIFTED SPECIALLY IN THE (B)(6) SAMPLES LEAVING THE ASSAY PRONE FOR FALSE (B)(6) RESULTS AND INCREASES ARCH HAVAB-IGM ASSAY SUSCEPTIBILITY TO REAGENT CROSS CONTAMINATION AND TEST SYSTEM VARIABILITY. AS A PREVENTIVE MEASURE TO PROTECT THE INTEGRITY OF TEST RESULTS, CUSTOMERS WERE INSTRUCTED BY A PRODUCT INFORMATION LETTER TO FOLLOW AN ALTERNATIVE PROCESSING METHOD BY SEGREGATING ALL HAVAB-IGM SAMPLES.

Additional Manufacturer Narrative · 1

(B)(4), DEVICE MFR. DATE: IN THE PREVIOUS MEDWATCH SUBMISSION, THE DEVICE MFR. DATE FOR ARCHITECT HAVAB-M REAGENT LOT 93794HN00 WAS INCORRECTLY SUBMITTED AS (B)(6) 2010. THE CORRECT DEVICE MFR. DATE WAS (B)(6) 2010 WHICH HAS BEEN CORRECTED IN THIS FOLLOW UP SUBMISSION. TYPE OF REMEDIAL ACTION INITIATED: THE TYPE OF REMEDIAL ACTION TAKEN FOR THIS ISSUE HAS CHANGED FROM A CORRECTION TO A RECALL. THE CUSTOMER ISSUE IS NOW BEING ASSOCIATED WITH REMEDIAL RECALL 3002809144-4/21/11-001-R FOR THE ARCHITECT HAVAB-M REAGENT LOT 93794HN00. THE REMEDIAL ACTION NUMBER WAS CHANGED FROM 2623532-1/4/10-001-C TO 3002809144-4/21/11-001-R TO REFLECT THE CHANGE IN SITE OF MANUFACTURE FOR THE SUSPECT MEDICAL DEVICE AND IT'S ASSOCIATED REMEDIAL ACTION NUMBER, AND THE TYPE OF REMEDIAL ACTION TAKEN BY ABBOTT.

Description of Event or Problem · 1

THE CUSTOMER OBSERVED INCREASED HAVAB-M (B)(6) PATIENT RESULTS GENERATED FROM TWO ARCHITECT I2000SR ANALYZERS WHEN HAVAB-M REAGENT LOT 93794HN00 WAS IN USE. THE CUSTOMER FURTHER STATED THE (B)(6) RESULTS DO NOT FIT THE CLINICAL PICTURE. THE CUSTOMER PROVIDED CALIBRATOR AND CONTROL CHARTS WHICH SHOWED A SLIGHT SHIFT UP IN THE POSITIVE CONTROL. THE CUSTOMER STATED (B)(6) RESULTS WERE RARE WITH THE PREVIOUS LOT OF REAGENT AND NOW THEY OBSERVE UP TO FOUR (B)(6) RESULTS IN ONE DAY. THE CUSTOMER PROVIDED AN EXAMPLE OF A (B)(6) RESULT AS FOLLOWS: (B)(6). NO ADDITIONAL INFORMATION WAS PROVIDED BY THE CUSTOMER WHETHER REPEAT TESTING WAS PERFORMED TO DETERMINE IF THE (B)(6) RESULT WAS CONFIRMED (B)(6). THERE WAS NO KNOWN IMPACT TO PATIENT MANAGEMENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 ARCHITECT HAVAB IGM REAGENT FOR THE DETECTION OF IGM ANTIBODIES TO HEPATITIS A VIRUS LOL ABBOTT 93794HN00

Patients

Seq Age Sex Outcome Treatment
1 ARCHITECT I2000SR ANALYZER, LIST # 3M74-01| ARCHITECT I2000SR ANALYZER, LIST # 3M74-01