inforMED
MalfunctionLFZ

ELECSYS CMV IGM

Received Jul 7, 2026 · Event occurred Nov 3, 2025

Report 1823260-2026-02736 · MDR key 25738165

Device

Generic name

Enzyme Linked Immunoabsorbent Assay, Cytomegalovirus

Manufacturer

Roche Diagnostics

Catalog number

04784618190

Lot number

ASKU

Product problems

  • False Negative Result

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

THE INITIAL REPORTER RECEIVED QUESTIONABLE ELECSYS CMV IGM AND ELECSYS CMV IGG ASSAY RESULTS FROM THREE PATIENT SAMPLES TESTED ON THE COBAS 6000 E601 MODULE. THIS MEDWATCH IS FOR THE ELECSYS CMV IGM ASSAY. PLEASE REFER TO THE MEDWATCH WITH A1. PATIENT IDENTIFIER (B)(6) FOR THE ELECSYS CMV IGG ASSAY REPORT. PLEASE REFER TO THE ATTACHMENT (B)(6) FOR THE TABLE CONTAINING THE QUESTIONABLE RESULTS AND OTHER INFORMATION REGARDING THE CASE.

Additional Manufacturer Narrative

THE COBAS 6000 E601 MODULE SERIAL NUMBER IS (B)(6).