inforMED
MalfunctionLFZ

ELECSYS CMV IGG

Received Apr 10, 2025 · Event occurred Oct 25, 2024

Report 1823260-2025-01099 · MDR key 21813924

Device

Generic name

Cytomegalovirus Immunoassay

Manufacturer

Roche Diagnostics

Catalog number

09118551190

Lot number

79229801

Product problems

  • Low Test Results
  • Low Test Results

Patient

NA · Unknown

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

Narrative

Additional Manufacturer Narrative

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

Description of Event or Problem

THE INITIAL REPORTER RECEIVED QUESTIONABLE ELECSYS CMV IGG ASSAY RESULTS FROM TWO SAMPLES FROM THE SAME PATIENT TESTED ON THE COBAS E 801 ANALYTICAL UNIT. PLEASE REFER TO THE ATTACHMENT (B)(6) FOR THE TABLE CONTAINING THE HIGHLIGHTED QUESTIONABLE RESULTS.

Additional Manufacturer Narrative

THE INVESTIGATION REVIEWED THE QC DATA; THE RESULTS WERE WITHIN THE SPECIFIED RANGES. THE CUSTOMER STATED THAT THE CMV WESTERN BLOT RESULTS FOR THE ON (B)(6) 2024 PATIENT SAMPLES WERE "NEGATIVE WITHOUT ANY DETECTED BAND". THE INVESTIGATION DETERMINED THAT THE PATIENT'S RESULTS ARE CONSISTENT WITH EARLY CMV INFECTION (SEROCONVERSION). THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM.