MAUDE Adverse Event Report: ABBOTT IRELAND DIAGNOSTICS DIVISION ARCHITECT FREE T4 REAGENT KIT; RADIOIMMUNOASSAY, FREE THYROXINE

Catalog Number	07K65-29
Medical Device Problem Code	High Test Results (2457)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/08/2025
Type of Reportable Event	Malfunction
Event or Problem Description
The customer reported a falsely elevated architect free t4 result on a patient.The following results were provided: (b)(6) 2025 sid (b)(6) = >64.4 / 19.3 pmol/l; new sample = 17.4 pmol/l.No impact to patient management was reported.
Additional Manufacturer Narrative
An evaluation is in process.A follow up report will be submitted when the evaluation is complete.All available patient information was included.Additional patient details are not available.
Additional Manufacturer Narrative
The complaint investigation for falsely elevated architect free t4 results included a review of data and information provided by the customer, search for similar complaints, ticket trending review, device history record review, and labeling review.In addition, filed data review was also completed.Return testing was not completed as returns were not available.The data and information provided by the customer were reviewed and support the complaint issue.A search for similar complaints did identify an increase in complaints for lot 71906ud00, however, customer field data was used to assess the performance of the architect free t4 assay using worldwide data.This review shows that the median patient result for the lot is within established limits and comparable with other lots in the field, confirming no systemic issue for the lot.A review of the device history record did not identify any non-conformances or deviations with lot number 71906ud00 and the complaint issue.A review of labeling was performed and found to sufficiently address the customer's issue.Based on this investigation, no systemic issue or deficiency was identified with the architect free t4 reagent, lot number 71906ud00.
Event or Problem Description
The customer reported a falsely elevated architect free t4 result on a patient.The following results were provided: on (b)(6) 2025 sid (b)(6) = >64.4 / 19.3 pmol/l; new sample = 17.4 pmol/l.No impact to patient management was reported.

• Brand Name: ARCHITECT FREE T4 REAGENT KIT
• Common Device Name: RADIOIMMUNOASSAY, FREE THYROXINE
• Manufacturer (Section D): ABBOTT IRELAND DIAGNOSTICS DIVISION; lisnamuck; co. longford; longford N39E9 32; EI N39E932
• Manufacturer (Section G): ABBOTT IRELAND DIAGNOSTICS DIVISION; lisnamuck; co. longford; longford N39E9 32; EI N39E932
• Manufacturer Contact: nicole jenne ; max-planck-ring 2; post market surveillance; wiesbaden 65205 ; GM 65205 ; 6122582960
• MDR Report Key: 21881369
• Report Number: 3005094123-2025-00183
• Device Sequence Number: 20784391
• Product Code: CEC
• UDI-Device Identifier: 00380740119799
• UDI-Public: (01)00380740119799(17)251030(10)71906UD00
• Combination Product (Y/N): N
• Initial Reporter Country: MY
• PMA/510(K) Number: K173122
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/17/2025

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
• Operator of Device: Health Professional
• Device Expiration Date: 10/30/2025
• Device Catalogue Number: 07K65-29
• Device Lot Number: 71906UD00
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/09/2025
• Supplement Date Received by Manufacturer: 06/17/2025
• Initial Report FDA Received Date: 04/22/2025
• Supplement Report FDA Received Date: 06/17/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/26/2024
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: ARC I1000SR INTGR, 01L86-40, (B)(6); ARC I1000SR INTGR, 01L86-40, (B)(6)
• Patient Sex: Unknown