inforMED
MalfunctionCEC

ELECSYS FT4 III

Received Jul 24, 2025

Report 1823260-2025-02265 · MDR key 22587460

Device

Generic name

Radioimmunoassay, Free Thyroxine

Manufacturer

Roche Diagnostics

Model number

FT4

Catalog number

07976887190

Lot number

82779801

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

1. SUMMARY OF INVESTIGATION RESULTS: THE INVESTIGATION COULD NOT IDENTIFY A PRODUCT ISSUE. NO INTERFERING FACTOR PRESENT IN THE SAMPLE COULD BE CONFIRMED. SAMPLE VOLUME WAS NOT SUFFICIENT FOR FURTHER INVESTIGATIONS. 2. SUMMARY OF FOLLOW UP/CORRECTIVE ACTIONS TAKEN: A SAMPLE FROM THE PATIENT WAS PROVIDED FOR INVESTIGATION. 3. DEVICE RETURNED TO MANUFACTURER? NO. 4. DEVICE LABELED "FOR SINGLE USE?" NO. 5. DEVICE REPROCESSED AND REUSED? NO.

Description of Event or Problem

1. DESCRIBE THE EVENT: THE INITIAL REPORTER QUESTIONED THE RESULTS FOR 1 PATIENT TESTED WITH ELECSYS FT4 III ON A COBAS E 801 ANALYTICAL UNIT. 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.