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

Catalog Number 06437281190

Device Problem Incorrect Or Inadequate Test Results (2456)

Patient Problem No Known Impact Or Consequence To Patient (2692)

Event Date 08/28/2015

Event Type  malfunction  

Manufacturer Narrative

This event occurred in (b)(6).

Event Description

The customer reported that they received erroneous results for one patient sample tested for thyrotropin (tsh), free triiodothyronine (ft3), and free thyroxine (ft4).It was asked, but the date the event occurred is not known.This medwatch will cover ft4.Refer to the medwatch with patient identifier (b)(6) for information referring to ft3.Refer to the medwatch with patient identifier (b)(6) for information referring to tsh.The sample was initially tested at the customer site on an e602 analyzer and then repeated on a centaur analyzer.During investigations, the patient sample was tested on an e170 analyzer and an e411 analyzer on (b)(6) 2015.Refer to the attachment for the specific patient result values.It was asked, but it is not known which patient results, if any, were reported outside of the laboratory.It was asked, but it is not known if the patient was adversely affected.No adverse events were alleged.The e602 analyzer serial number used at the customer site was asked for, but not provided.The e170 analyzer used for investigation purposes was serial number (b)(4).The ft4 reagent lot number used on this analyzer was 180539, with an expiration date of october 2015.The e411 analyzer used for investigation purposes was serial number (b)(4).The ft4 reagent lot number used on this analyzer was 180539, with an expiration date of october 2015.A specific root cause could not be determined as there was no remaining sample available for further investigations.Based on the provided information, a general reagent issue can most likely be excluded.When comparing values generated by different types of analyzers, variances can be expected.For thyroid parameters, age, gender, and other characteristics are to be considered when analyzer measured values.

• Brand Name: FT4, FREE THYROXINE
• Type of Device: RADIOIMMUNOASSAY, FREE THYROXINE
• Manufacturer (Section D): ROCHE DIAGNOSTICS; 9115 hague road; indianapolis IN 46250
• 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: 5079076
• MDR Text Key: 25879812
• Report Number: 1823260-2015-04161
• Device Sequence Number: 1
• Product Code: CEC
• Combination Product (y/n): N
• Reporter Country Code: JA
• PMA/PMN Number: K961489
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: foreign,health professional,u
• Reporter Occupation: Health Professional
• Type of Report: Initial
• Report Date: 09/15/2015

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 09/15/2015
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Catalogue Number: 06437281190
• Device Lot Number: ASKU
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Event Location: Laboratory
• Date Manufacturer Received: 09/02/2015
• 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