MAUDE Adverse Event Report: ROCHE DIAGNOSTICS ELECSYS FT4 III ASSAY; RADIOIMMUNOASSAY, FREE THYROXINE

Model Number FT4 G3

Device Problem High Test Results (2457)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 12/20/2021

Event Type  malfunction  

Manufacturer Narrative

The investigation is ongoing.

Event Description

There was a complaint of questionable elecsys ft4 iii results for 3 patients tested with cobas e801 module serial number (b)(4).It is unknown if the questionable results were reported outside the laboratory.The samples were returned to the manufacturer for testing.Please see attached data for details.This medwatch is for elecsys ft4 iii.Refer to the medwatch with patient identifier (b)(6) for the elecsys ft3 iii.

Manufacturer Narrative

Assays from different manufacturers can generate different results.This relates to the overall setups of the assays, the antibodies used, differences in reference materials and the standardization methodology used.Based on the information provided, a general reagent issue can be excluded.The investigation did not identify a product problem.

• Brand Name: ELECSYS FT4 III ASSAY
• Type of Device: RADIOIMMUNOASSAY, FREE THYROXINE
• Manufacturer (Section D): ROCHE DIAGNOSTICS; 9115 hague road; indianapolis IN 46250 0457
• Manufacturer (Section G): ROCHE DIAGNOSTICS GMBH; sandhoferstrasse 116; na; mannheim (baden-wurttemberg) 68305 ; GM 68305
• Manufacturer Contact: michael leslie ; 9115 hague road; na; indianapolis, IN 46250 ; 3175214343
• MDR Report Key: 13252681
• MDR Text Key: 290535468
• Report Number: 1823260-2022-00111
• Device Sequence Number: 1
• Product Code: CEC
• Combination Product (y/n): N
• Reporter Country Code: JA
• PMA/PMN Number: K131244
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Foreign,Health Professional,User Facility
• Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date: 02/24/2022

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 01/13/2022
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: FT4 G3
• Device Catalogue Number: 07976887190
• Device Lot Number: ASKU
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 02/02/2022
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Is the Device Single Use?: No
• Is This a Reprocessed and Reused Single-Use Device?: No
• Patient Sequence Number: 1