inforMED
MalfunctionCDX

ELECSYS T4

Received Jan 30, 2025

Report 1823260-2025-00289 · MDR key 21275399

Device

Generic name

Total Thyroxine Assay

Manufacturer

Roche Diagnostics

Model number

T4

Catalog number

09007741190

Lot number

805868

Product problems

  • Low Test Results
  • Chemical Problem
  • Low Test Results
  • Chemical Problem

Patient

NA · Unknown

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

Narrative

Description of Event or Problem

1. THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS T4 RESULTS FOR 1 PATIENT FROM THE COBAS E411 DISK ANALYZER. 2. PATIENT AGE RANGE: ASKU. 3. PATIENT WEIGHT RANGE: ASKU. 4. PATIENT SEX BREAKDOWN: ASKU. 5. PATIENT RACE BREAKDOWN: ASKU. 6. PATIENT ETHNICITY BREAKDOWN: ASKU.

Additional Manufacturer Narrative

1. SUMMARY OF INVESTIGATION RESULTS: THE INVESTIGATION IS ONGOING. 2. SUMMARY OF FOLLOW UP/CORRECTIVE ACTIONS TAKEN: THE INVESTIGATION IS ONGOING. 3. DEVICE RETURNED TO MANUFACTURER? NO. 4. DEVICE LABELED "FOR SINGLE USE?" NO. 5. DEVICE REPROCESSED AND REUSED? NO.

Additional Manufacturer Narrative

1. SUMMARY OF INVESTIGATION RESULTS: THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. FROM THE INFORMATION PROVIDED, A GENERAL REAGENT ISSUE COULD BE EXCLUDED. THE DIFFERENCES GENERATED BETWEEN THE DIFFERENT METHODS MOST LIKELY RELATE TO NORMAL METHODOLOGICAL DIFFERENCES. 2. SUMMARY OF FOLLOW UP/CORRECTIVE ACTIONS TAKEN: NO FOLLOW UP/CORRECTIVE ACTIONS WERE TAKEN.