inforMED
MalfunctionDHX

ELECSYS CEA

Received Jul 2, 2026 · Event occurred Jun 10, 2026

Report 1823260-2026-02677 · MDR key 25695193

Device

Generic name

Carcinoembryonic Antigen Test System

Manufacturer

Roche Diagnostics

Catalog number

07027079190

Lot number

910862

Product problems

  • High Test Results

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

THERE WAS AN ALLEGATION OF A QUESTIONABLE ELECSYS CEA RESULT FOR 1 PATIENT ON A COBAS E 402 ANALYTICAL UNIT. THE INITIAL RESULT OF THE PATIENT'S FIRST SAMPLE TUBE WAS 305 NG/ML. THE REPEAT RESULT WAS 2.68 NG/ML. THE RESULT FROM THE PATIENT'S SECOND SAMPLE TUBE WAS 2.65 NG/ML. THE RESULT FROM THE PATIENT'S UNSPECIFIED SAMPLE TUBE WAS 2.74 NG/ML. THE SAMPLE WAS REPEATED AFTER THE DOCTOR QUESTIONED THE INITIAL RESULT. THE REPEAT RESULT WAS DEEMED CORRECT.

Additional Manufacturer Narrative

THE COBAS E 402 ANALYTICAL UNIT SERIAL NUMBER IS (B)(6). THE INVESTIGATION IS ONGOING.