inforMED
MalfunctionCEC

ELECSYS FT4 IV

Received Jan 26, 2026

Report 1823260-2026-00281 · MDR key 24183966

Device

Generic name

Free Thyroxine

Manufacturer

Roche Diagnostics

Model number

FT4 IV

Catalog number

09043276190

Lot number

84123003

Product problems

  • Non Reproducible Results

Patient

NA · Unknown

  • No Clinical Signs, Symptoms or Conditions

Narrative

Description of Event or Problem

1. THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS FT4 IV RESULTS FOR ONE PATIENT FROM THE COBAS E411 RACK 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 WAS UNABLE TO DETERMINE A SPECIFIC ROOT CAUSE. AS NO SAMPLE MATERIAL WAS AVAILABLE, FURTHER INVESTIGATION WAS NOT POSSIBLE. 2. SUMMARY OF FOLLOW-UP/CORRECTIVE ACTIONS TAKEN: THERE WERE NO FOLLOW-UP/CORRECTIVE ACTIONS. 3. DEVICE RETURNED TO MANUFACTURER? NO 4. DEVICE LABELED "FOR SINGLE USE?" NO 5. DEVICE REPROCESSED AND REUSED? NO.