FDA Adverse Event Malfunction Summary report: N

ANALYTICAL E MODULE

MDR report key: 1000535 · Received February 15, 2008

Report

Report Number
1823260-2008-01605
Event Type
Malfunction
Date Received
February 15, 2008
Date of Event
November 19, 2007
Report Date
February 15, 2008
Manufacturer
ROCHE DIAGNOSTICS
Product Code
LTJ
PMA / PMN Number
K961481
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
OTHER

Narratives

Description of Event or Problem · 1

ONE PT SAMPLE WITH DISCREPANT TOTAL PSA RESULTS. INITIAL RESULT GAVE 12.03 NG/ML; SAMPLE REPEATED IN 2008 GAVE 52.39 NG/ML. A SECOND SAMPLE FROM THE SAME PT GAVE 52.34 NG/ML. FALSELY LOW RESULTS WERE NOT REPRODUCIBLE UPON RERUN. THE INVESTIGATIONAL UNIT WAS UNABLE TO IDENTIFY A SPECIFIC ROOT CAUSE.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 ANALYTICAL E MODULE IMMUNOCHEMISTRY ANALYZER -JJE LTJ ROCHE DIAGNOSTICS E MODULE

Patients

Seq Age Sex Outcome Treatment
1 UNK