inforMED
MalfunctionCKA

COBAS 6000 C501MODULE

Received Nov 15, 2010 · Event occurred Oct 21, 2010

Report 1823260-2010-06745 · MDR key 1899046

Device

Generic name

Clinical Chemistry Analyzer

Manufacturer

Roche Diagnostics

Model number

NA

Catalog number

04745914001

Lot number

NA

Product problems

  • Low Test Results

Patient

Not reported

  • No Consequences Or Impact To Patient

Narrative

Description of Event or Problem

THE USER RECEIVED QUESTIONABLE RESULTS FOR ALANINE TRANSAMINASE (ALT) ON THE COBAS 6000 C501 (C3) MODULE. THE EVENT INVOLVED FIVE PATIENT SAMPLES. ONE PATIENT SAMPLE GAVE DISCREPANT RESULTS. THE PATIENT SAMPLE WAS REPEATED ON A DIFFERENT C501 MODULE (C2). THE INITIAL ALT RESULT WAS 5 U/L, THE REPEAT RESULT WAS 23 U/L. THE PATIENT WAS NOT AFFECTED AS THE INITIAL ALT RESULT WAS NOT REPORTED OUTSIDE THE LABORATORY. THE REAGENT LOT NUMBER FOR ALT WAS NOT PROVIDED.

Additional Manufacturer Narrative

SINCE THE CUSTOMER COULD NOT PROVIDE ANY PATIENT DATA FOR EVALUATION, A ROOT CAUSE COULD NOT BE IDENTIFIED.

Additional Manufacturer Narrative

THE EVENT OCCURRED IN (B)(6).