inforMED
MalfunctionDHX

ELECSYS CEA

Received Jan 8, 2025 · Event occurred Dec 17, 2024

Report 1823260-2025-00053 · MDR key 21104969

Device

Generic name

Carcinoembryonic Antigen Test System

Manufacturer

Roche Diagnostics

Catalog number

04491777190

Lot number

791246

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

Description of Event or Problem

THE INITIAL REPORTER STATED THEY RECEIVED QUESTIONABLE RESULTS FOR AN UNSPECIFIED NUMBER OF PATIENT SAMPLES TESTED WITH ELECSYS CEA ON A COBAS 8000 E 602 MODULE. THE CUSTOMER PROVIDED EXAMPLES OF 15 PATIENT SAMPLES WITH DISCREPANT CEA RESULTS. THE CUSTOMER NOTICED MULTIPLE CONSECUTIVE HIGH RESULTS. AFTER RECEIVING A CLINICAL COMPLAINT ON 20-DEC-2024, THE SAMPLES WERE REPEATED AND THE RESULTS WERE WITHIN THE ASSAY REFERENCE RANGE. REFER TO THE ATTACHMENT FOR ALL PATIENT DATA.

Additional Manufacturer Narrative

THE SERIAL NUMBER OF THE E 602 ANALYZER IS (B)(6). THE INVESTIGATION IS ONGOING.

Additional Manufacturer Narrative

A GENERAL REAGENT ISSUE CAN BE EXCLUDED AS CONTROLS RUN PRIOR TO THE EVENT WERE WITHIN RANGE. THE INVESTIGATION COULD NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.