FDA Adverse Event Summary report: N

CMV LGG TEST KIT

MDR report key: 29531 · Received December 14, 1995

Report

Report Number
MW4001027
Date Received
December 14, 1995
Report Date
November 29, 1995
Manufacturer
CLARK LABORATORIES, INC.
Product Code
LFZ
Report Source
Voluntary report
Reporter Location
UT, US
Reporter Occupation
PHYSICIAN

Narratives

Description of Event or Problem · 1

RPTR CALLED TO REPORT PROBLEMS WITH FALSE NEGATIVE TEST RESULTS. THE FIRM WAS DOING SIDE BY SIDE VALIDATION OF THE CMV LGG TEST KITS USING TWO LOT NUMBERS WITH THE FIRST LOT OUT OF 40 SAMPLES, THERE WERE 16 NEGATIVE RESULTS. 8 OF 16 WERE DETERMINED TO BE FALSE NEGATIVES. WITH THE SECOND LOT OUT OF 12 SAMPLES, THERE WERE 6 NEGATIVE RESULTS. 4 OF 6 WERE FALSE NEGATIVES. RPTR DID NOT REPORT THE RESULTS OF MFR. THE FIELD OFFICER INDICATED IT WAS IMPORTANT TO DO SO BECAUSE THE FIRM NEEDED TO CONDUCT AN INVESTIGATION INTO THE MATTER AND POSSIBLY INITIATE A RECALL. TESTING WAS DONE IN 8/95, WAS TOLD IT COULD BE DEVASTATING FOR ORGAN RECIPIENTS.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 CMV LGG TEST KIT CMV LGG TEST KIT LFZ CLARK LABORATORIES, INC.

Patients

Seq Age Sex Outcome Treatment
1 *