MAUDE Adverse Event Report: Abbott Ireland Diagnostics Division Alinity i TSH Reagent Kit; RADIOIMMUNOASSAY, THYROID-STIMULATING HORMONE

Catalog Number	07P48-30
Medical Device Problem Code	Low Test Results (2458)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	07/28/2026
Type of Reportable Event	Malfunction
Event or Problem Description
The customer reported falsely depressed alinity i tsh results for three patients.The samples were repeated with higher results.The following data was provided: initial results: sample id: (b)(6) : < 0.0083 miu/ml, sample id: (b)(6) : <0.0131 miu/ml, sample id: (b)(6) : < 0.0083 miu/ml.Rerun results: sample id:(b)(6): 1.3704 miu/ml, sample id:(b)(6) : 3.7146 miu/ml, sample id:(b)(6) : 0.8114 miu/ml there was no impact to patient management reported.
Additional Manufacturer Narrative
An evaluation is in process.A follow-up report will be submitted when the evaluation is complete.Section a patient information: refer to section b5 for complete patient information.All available patient information was provided, no additional patient information was available.

• Brand Name: Alinity i TSH Reagent Kit
• Common Device Name: RADIOIMMUNOASSAY, THYROID-STIMULATING HORMONE
• 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 ; +49()6122582960
• MDR Report Key: 50842562
• Report Number: 3005094123-2026-00475
• Device Sequence Number: 21347138
• Product Code: JLW
• UDI-Device Identifier: 00380740131159
• Combination Product (Y/N): N
• Initial Reporter Country: IN
• PMA/510(K) Number: K983442
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 09/21/2026

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 Catalogue Number: 07P48-30
• Device Lot Number: 86359UD00
• 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: 09/02/2026
• Initial Report FDA Received Date: 09/21/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/08/2026
• 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: ALNTY I PROCESSING MODU, 03R65-01, (b)(6)
• Patient Sex: Unknown