inforMED
MalfunctionCDP

ELECSYS FT3 III

Received Jan 12, 2024 · Event occurred Dec 18, 2023

Report 1823260-2024-00132 · MDR key 18507429

Device

Generic name

Total Triiodothyronine

Manufacturer

Roche Diagnostics

Catalog number

09005803190

Lot number

ASKU

Product problems

  • High Test Results
  • High Test Results

Patient

NA · Unknown

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

Narrative

Additional Manufacturer Narrative

THE CALIBRATION WAS OVERDUE AND THE SLIGHTLY HIGHER RECOVERY WAS ALSO INDICATED BY THE RISING QC RESULTS. A NEW CALIBRATION WAS PERFORMED, WHICH SOLVED THE ISSUE. A GENERAL PRODUCT PROBLEM CAN BE EXCLUDED.

Additional Manufacturer Narrative

THE ANALYZER SERIAL NUMBER IS (B)(6). THE CUSTOMER PERFORMED CALIBRATION APPROXIMATELY ONCE PER MONTH.

Description of Event or Problem

THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS FT3 III RESULTS FOR 1 PATIENT SAMPLE ON A COBAS E411 MODULE. THE INITIAL RESULT WAS 4.5 PG/ML. THE SAMPLE WAS RETESTED, BUT THE RESULT DID NOT CHANGE. THE CUSTOMER PERFORMED CALIBRATION AND REPEATED THE SAMPLE. THE REPEATED RESULT, AFTER CALIBRATION, WAS 3.6 PG/ML.