inforMED
MalfunctionDHX

ELECSYS CEA

Received Oct 23, 2025 · Event occurred Sep 28, 2025

Report 1823260-2025-04297 · MDR key 23365420

Device

Generic name

Carcinoembryonic Antigen Test System

Manufacturer

Roche Diagnostics

Catalog number

07027079188

Lot number

84013502

Product problems

  • Incorrect, Inadequate or Imprecise Result or Readings
  • High Test Results
  • Non Reproducible Results
  • Incorrect, Inadequate or Imprecise Result or Readings
  • High Test Results
  • Non Reproducible Results

Patient

39 YR · Unknown

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

Narrative

Additional Manufacturer Narrative

THE COBAS E 801 ANALYTICAL UNIT SERIAL NUMBER WAS (B)(6). THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS CEA RESULTS FROM THE COBAS E 801 ANALYTICAL UNIT. THE INITIAL RESULT WAS 5.84 NG/ML. THIS RESULT DID NOT MATCH THE PATIENT'S CLINICAL DIAGNOSIS. THE REPEAT RESULT WAS 1.79 NG/ML AND WAS MORE CONSISTENT WITH THE HISTORICAL RESULTS FOR THE PATIENT. THE QUESTIONED RESULT WAS NOT REPORTED OUTSIDE THE LABORATORY.

Additional Manufacturer Narrative

MEDWATCH FIELDS D4 LOT NO, D4 CATALOG NO, PRIMARY UDI NUMBER, AND G1 WERE UPDATED. A GENERAL REAGENT OR ANALYZER PROBLEM WAS NOT PRESENT, BECAUSE THE QC BEFORE THE EVENT WAS WITHIN RANGES. THE INVESTIGATION WAS UNABLE TO DETERMINE A SPECIFIC ROOT CAUSE. NO PRODUCT PROBLEM WAS FOUND.