inforMED
MalfunctionNIG

ELECSYS CA 19-9 IMMUNOASSAY

Received May 5, 2025 · Event occurred Apr 14, 2025

Report 1823260-2025-01379 · MDR key 21960198

Device

Generic name

Test, Carbohydrate Antigen (ca19-9)

Manufacturer

Roche Diagnostics

Catalog number

11776193122

Lot number

78239101

Product problems

  • Non Reproducible 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 6000 E601 MODULE 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 6000 E601 MODULE. THE INITIAL RESULT WAS 132.6 U/ML AND THE REPEAT RESULT WAS 80.09 U/ML. ANOTHER SAMPLE TAKEN FROM THE SAME PATIENT AT THE SAME TIME HAD A RESULT OF 6.91 U/ML, AND THIS RESULT WAS BELIEVED TO BE CORRECT. THE QUESTIONABLE RESULTS WERE NOT RELEASED OUTSIDE OF THE LABORATORY.

Additional Manufacturer Narrative

DUE TO THE LIMITED INFORMATION PROVIDED, THE INVESTIGATION WAS UNABLE TO DETERMINE A SPECIFIC ROOT CAUSE. THERE WAS NO PRODUCT PROBLEM OR GENERAL REAGENT ISSUE IDENTIFIED.