inforMED
MalfunctionDHX

ELECSYS CEA

Received Nov 14, 2025 · Event occurred Oct 25, 2025

Report 1823260-2025-04650 · MDR key 23556586

Device

Generic name

Carcinoembryonic Antigen Test System

Manufacturer

Roche Diagnostics

Catalog number

07027079214

Lot number

ASKU

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

THE ROCHE ANALYZER'S SERIAL NUMBER WAS REQUESTED BUT NOT PROVIDED. A GENERAL REAGENT PROBLEM WAS EXCLUDED, AS THERE ARE NO OTHER REPORTED COMPLAINTS OF THIS MATERIAL. PER LABELING, " CEA VALUES DETERMINED ON PATIENT SAMPLES BY DIFFERENT TESTING PROCEDURES CANNOT BE DIRECTLY COMPARED WITH ONE ANOTHER AND COULD BE THE CAUSE OF ERRONEOUS MEDICAL INTERPRETATION." THE INVESTIGATION WAS UNABLE TO DETERMINE A DIRECT ROOT CAUSE DUE TO THE LIMITED DATA COLLECTED.

Description of Event or Problem

THERE WAS AN ALLEGATION OF A QUESTIONABLE ELECSYS CEA RESULT FROM A NON-SPECIFIED ROCHE ANALYZER FOR ONE PATIENT. THE INITIAL RESULT WAS 4.1 NG/ML. A REPEAT RESULT ON THE SAME ANALYZER WAS 4.5 NG/ML. A RESULT FROM ANOTHER LABORATORY ON ANOTHER UNSPECIFIED ANALYZER WAS APPROXIMATELY 11 NG/ML.