inforMED
MalfunctionNIG

ELECSYS CA 19-9

Received Aug 19, 2025 · Event occurred Jul 29, 2025

Report 1823260-2025-02549 · MDR key 22843872

Device

Generic name

Test, Carbohydrate Antigen (ca19-9)

Manufacturer

Roche Diagnostics

Catalog number

07027028188

Lot number

79417901

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 ANALYZER SERIAL NUMBER IS (B)(6). THE CALIBRATION DATA PROVIDED WAS ACCEPTABLE. THE ALARM TRACE DID NOT CONTAIN A CONSPICUOUS EVENT. IT WAS FOUND THAT THE CUSTOMER CENTRIFUGES PATIENT SAMPLES FOR 5 MINUTES. THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF A QUESTIONABLE ELECSYS CA 19-9 RESULT FOR 1 PATIENT SAMPLE TESTED ON A COBAS PURE E 402 ANALYTICAL UNIT. THE INITIAL CA 19-9 RESULT WAS 81.9 U/ML. THE FIRST REPEAT RESULT WAS 4.59 U/ML. THE SECOND REPEAT RESULT WAS 4.41 U/ML. THE QUESTIONABLE RESULT WAS REPORTED OUTSIDE OF THE LABORATORY, AS IT DID NOT MATCH THE PATIENT'S CLINICAL DIAGNOSIS.

Additional Manufacturer Narrative

THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE ROOT CAUSE OF THE EVENT COULD NOT BE DETERMINED.