inforMED
MalfunctionJFT

ELECSYS CORTISOL II

Received Jan 12, 2026 · Event occurred Dec 20, 2025

Report 1823260-2026-00140 · MDR key 24038706

Device

Generic name

Fluorometric, Cortisol

Manufacturer

Roche Diagnostics

Catalog number

07027150190

Lot number

85589101

Product problems

  • Low Test Results
  • Non Reproducible Results

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Additional Manufacturer Narrative

THE SERIAL NUMBER OF THE ANALYZER IS (B)(4). THE INVESTIGATION IS ONGOING.

Description of Event or Problem

THERE WAS AN ALLEGATION OF A QUESTIONABLE ELECSYS CORTISOL II ASSAY RESULT FOR 1 PATIENT SAMPLE TESTED ON A COBAS E 402 ANALYTICAL UNIT. THE INITIAL RESULT WAS 9.22 UG/L. THE SAMPLE WAS REPEATED TWICE, WITH RESULTS OF 252 UG/L AND 258 UG/L.

Additional Manufacturer Narrative

THE QC WAS WITHIN RANGE BEFORE THE SAMPLE MEASUREMENT. THE SYSTEM WAS RELEASED FOR SAMPLE MEASUREMENT. NO RELEVANT ALARMS OCCURRED. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.