inforMED
MalfunctionNBC

ELECSYS PROBNP II

Received Sep 18, 2025 · Event occurred Aug 29, 2025

Report 1823260-2025-03133 · MDR key 23087758

Device

Generic name

Test,natriuretic Peptide

Manufacturer

Roche Diagnostics

Catalog number

04842464190

Lot number

ASKU

Product problems

  • High Test Results
  • High Test Results

Patient

16 MO · 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 INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS PROBNP II RESULTS FOR 1 PATIENT SAMPLE ON A COBAS 6000 E601 MODULE. THE INITIAL RESULT WAS 33452 PG/ML. TWO WEEKS LATER, THE CUSTOMER THAWED A FROZEN SAMPLE FROM THE SAME COLLECTION TO RETEST IT FOR VALIDATION PURPOSES AND THE RESULT WAS 24714 PG/ML. THE EXACT DATE OF RETESTING WAS NOT PROVIDED.

Additional Manufacturer Narrative

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