inforMED
MalfunctionNIG

ELECSYS CA 19-9

Received Sep 30, 2025 · Event occurred Sep 5, 2025

Report 1823260-2025-03983 · MDR key 23178740

Device

Generic name

Test, Carbohydrate Antigen (ca19-9)

Manufacturer

Roche Diagnostics

Catalog number

11776193122

Lot number

78239101

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

Additional Manufacturer Narrative

THE COBAS E411 RACK SERIAL NUMBER WAS (B)(6). THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS CA 19-9 RESULTS FROM THE COBAS E411 RACK ANALYZER. THE INITIAL RESULT WAS 306.0 U/ML. THE REPEAT RESULTS WERE 16.41 U/ML AND 11.94 U/ML.

Additional Manufacturer Narrative

DUE TO THE LIMITED INFORMATION PROVIDED, THE INVESTIGATION WAS UNABLE TO DETERMINE A SPECIFIC ROOT CAUSE. A GENERAL REAGENT OR ANALYZER PROBLEM WAS NOT PRESENT BECAUSE THE QC PRIOR TO THE EVENT WAS WITHIN RANGES. THERE WAS NO PRODUCT PROBLEM IDENTIFIED.