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

Model Number FT4 G3

Device Problem Incorrect, Inadequate or Imprecise Result or Readings (1535)

Patient Problem No Consequences Or Impact To Patient (2199)

Event Date 07/13/2020

Event Type  malfunction  

Manufacturer Narrative

This event occurred in (b)(6).The customer's calibration and qc data were requested but not provided.The observed differences in ft4 values generated with the roche assay and the accursed assay are most likely caused by differences in the overall setups of the assays, the antibodies used, differences in reference materials, and the differences in the standardization methodology used.The investigation did not identify a product problem.The cause of the event could not be determined.(b)(6).

Event Description

The initial reporter received questionable elecsys tsh assay and elecsys ft4 iii assay results for one patient tested on a cobas 8000 e 801 module.The e 801 module serial number was (b)(4).The customer reported out the results to a physician who asked for re-measurement of the sample.The customer performed repeat testing on an accursed analyzer, and the customer provided the patient¿s sample for investigation where it was tested with an abbott architect.This medwatch is for ft4.Refer to the medwatch with patient identifier (b)(6) for the tsh assay.

• 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: 10439742
• MDR Text Key: 204046926
• Report Number: 1823260-2020-02070
• 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,u
• Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date: 08/21/2020

1 Device was Involved in the Event

1 Patient was Involved in the Event

• 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: 460793
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 07/31/2020
• Initial Date FDA Received: 08/21/2020
• 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
• Type of Device Usage: N
• Patient Sequence Number: 1
• Patient Age: 59 YR