inforMED
MalfunctionLFZ

ELECSYS CMV IGM

Received Apr 24, 2026 · Event occurred Apr 3, 2026

Report 1823260-2026-01596 · MDR key 24987409

Device

Generic name

Enzyme Linked Immunoabsorbent Assay, Cytomegalovirus

Manufacturer

Roche Diagnostics

Catalog number

07027133190

Lot number

906582

Product problems

  • Non Reproducible Results

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

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

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS CMV IGM RESULTS FOR 1 PATIENT SAMPLE ON A COBAS E 801 ANALYTICAL UNIT. THE INITIAL SERUM SAMPLE RESULT WAS 1.71 COI (REACTIVE). THE SAMPLE WAS RECENTRIFUGED AND REPEATED AND THE RESULT WAS 1.67 COI (REACTIVE). A PLASMA SAMPLE COLLECTED AT THE SAME TIME WAS TESTED AND THE RESULT WAS 0.332 COI (NON-REACTIVE). ON EITHER 12-APR OR (B)(6) 2026, THE PLASMA SAMPLE WAS REPEATED AND THE RESULT WAS 0.626 COI (NON-REACTIVE). THE EXACT DATE OF TESTING WAS NOT PROVIDED. THE CUSTOMER DEEMED THE NON-REACTIVE RESULT AS CORRECT.