inforMED
MalfunctionDHX

ELECSYS CEA

Received Jun 16, 2025 · Event occurred May 26, 2025

Report 1823260-2025-01844 · MDR key 22210556

Device

Generic name

System, Test, Carcinoembryonic Antigen

Manufacturer

Roche Diagnostics

Catalog number

11731629322

Lot number

79121601

Product problems

  • Low Test Results
  • Pumping Problem
  • Non Reproducible Results
  • Low Test Results
  • Pumping Problem
  • Non Reproducible Results

Patient

NA · Unknown

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

Narrative

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS CEA RESULTS FROM THE COBAS 8000: COBAS E 602 MODULE. SAMPLE 1 INITIAL RESULT WAS 0.2 NG/ML WITH A DATA FLAG, AND THE REPEAT RESULT WAS 81.2 NG/ML. SAMPLE 2 INITIAL RESULT WAS 0.2 NG/ML WITH A DATA FLAG, AND THE REPEAT RESULT WAS 116.6 NG/ML. SAMPLE 3 INITIAL RESULT WAS 0.2 NG/ML WITH A DATA FLAG, AND THE REPEAT RESULT WAS 8.17 NG/ML. THE QUESTIONABLE RESULTS WERE NOT REPORTED OUTSIDE OF THE LABORATORY.

Additional Manufacturer Narrative

THE COBAS 8000: COBAS E 602 MODULE SERIAL NUMBER WAS (B)(6). THE INVESTIGATION IS ONGOING.

Additional Manufacturer Narrative

DUE TO THE LIMITED INFORMATION PROVIDED, THE INVESTIGATION WAS UNABLE TO DETERMINE A SPECIFIC ROOT CAUSE. THERE WAS NO PRODUCT PROBLEM IDENTIFIED. A GENERAL REAGENT OR ANALYZER PROBLEM WAS NOT PRESENT, BECAUSE THE QC PRIOR TO THE EVENT WAS WITHIN RANGES.