inforMED
MalfunctionNBC

ELECSYS PROBNP II

Received Sep 30, 2022 · Event occurred Sep 7, 2022

Report 1823260-2022-03000 · MDR key 15512177

Device

Generic name

Test,natriuretic Peptide

Manufacturer

Roche Diagnostics

Model number

NA

Catalog number

09315268190

Lot number

ASKU

Product problems

  • Non Reproducible Results
  • Non Reproducible Results

Patient

Unknown

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

Narrative

Additional Manufacturer Narrative

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

Additional Manufacturer Narrative

THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE PROBNP G2 ELECSYS RESULTS FROM COBAS 8000 - COBAS E 602 MODULE SERIAL NUMBER (B)(4). THE INITIAL RESULT WAS 35000 NG/L OR MORE. THE REPEAT RESULT WITH A 1:5 DILUTION WAS 26491 NG/L. THE REPEAT RESULT WITH A 1:10 DILUTION WAS 27258 NG/L. THE REPEAT RESULT UNDILUTED WAS 35000 NG/L OR MORE. THE REPEAT RESULT WITH A 1:2 DILUTION WAS 30167 NG/L. THIS RESULT WAS REPORTED OUTSIDE OF THE LABORATORY. IT WAS FOUND THE SAMPLE DILUENT HAD PASSED THE ONBOARD STABILITY. IT WAS REPLACED AND THE SAMPLE WAS REPEATED WITH SIMILAR RESULTS. NO SPECIFIC DATA WAS PROVIDED.