inforMED
MalfunctionDHX

ELECSYS CEA

Received Oct 21, 2024 · Event occurred Sep 25, 2024

Report 1823260-2024-03031 · MDR key 20494941

Device

Generic name

Carcinoembryonic Antigen Test System

Manufacturer

Roche Diagnostics

Catalog number

07027079190

Lot number

801176

Product problems

  • High Test Results
  • Non Reproducible Results
  • High Test Results
  • Non Reproducible Results

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions
  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

CALIBRATION WAS LAST PERFORMED ON 12-SEP-2024 WITH ACCEPTABLE RESULTS. QC WAS ACCEPTABLE BEFORE THE EVENT. FOUR "SAMPLE CLOT DETECTION" AND ONE "SAMPLE FOAM DETECTION" ALARM WERE OBSERVED ON THE ALARM TRACE DATA FROM (B)(6) 2024. DURING A REVIEW OF THE SAMPLE FOAM DETECTION IMAGES, DIRT WAS OBSERVED ON THE GRIPPER. BASED ON THE INFORMATION PROVIDED, THE CAUSE OF THE EVENT COULD NOT BE DETERMINED. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM.

Additional Manufacturer Narrative

THE E801 MODULE SERIAL NUMBER IS (B)(6).

Description of Event or Problem

THE INITIAL REPORTER COMPLAINED OF A DISCREPANT HIGH RESULT FOR 1 PATIENT SAMPLE TESTED FOR ELECSYS CEA (CEA) ON A COBAS E 801 MSB/MSBL. THE INITIAL RESULT WAS 11.8 NG/L. THE REPEAT RESULT WAS <0.3 NG/L. ON (B)(6) 2025 THE REPEAT RESULT WAS <0.3 NG/L. THE INITIAL RESULT DID NOT CORRESPOND TO THE PATIENT¿S CLINICAL CONDITION AND THE SAMPLE WAS REPEATED. THE QUESTIONABLE RESULT WAS NOT REPORTED OUTSIDE OF THE LABORATORY.