MAUDE Adverse Event Report: ROCHE DIAGNOSTICS TINA-QUANT HEMOGLOBIN A1CDX GEN.3; GLYCOSYLATED HEMOGLOBIN ASSAY

Catalog Number	07559674190
Medical Device Problem Code	High Test Results (2457)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/27/2025
Type of Reportable Event	Malfunction
Event or Problem Description
We received an allegation about discrepant results for 3 patients' samples tested for hba1c on a cobas c513 analyzer.Patient 1: initial result: 7.7 %.Repeat result: 7.0 %.Patient 2 was tested on (b)(6) 2025: initial result: 6.3 %.Repeat result: 5.7 %.Patient 3 was tested on (b)(6) 2025: initial result: 6.2 %.Repeat result: 5.6 %.The samples were repeated on another c513 analyzer.
Additional Manufacturer Narrative
The hba1c reagent expiration date was not provided.The cobas c513 analyzer serial number was not provided.The investigation is ongoing.
Additional Manufacturer Narrative
Further data was requested for investigation, but it was not provided.The investigation did not identify a product problem.The cause of the event could not be determined.

• Brand Name: TINA-QUANT HEMOGLOBIN A1CDX GEN.3
• Common Device Name: GLYCOSYLATED HEMOGLOBIN ASSAY
• Manufacturer (Section D): ROCHE DIAGNOSTICS; 9115 hague road; indianapolis IN 46250 0457
• Manufacturer (Section G): ROCHE DIAGNOSTICS GMBH; sandhofer strasse 116; mannheim (baden-wurttemberg) 68305 ; GM 68305
• Manufacturer Contact: natalie catton ; 9115 hague road; indianapolis, IN 46250
• MDR Report Key: 22112942
• Report Number: 1823260-2025-01658
• Device Sequence Number: 4250918
• Product Code: PDJ
• UDI-Device Identifier: 04015630942787
• UDI-Public: 04015630942787
• Combination Product (Y/N): N
• Initial Reporter State: AL
• Initial Reporter Country: US
• PMA/510(K) Number: K160571
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/16/2025

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 Catalogue Number: 07559674190
• Device Lot Number: ASKU
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 05/05/2025
• Supplement Date Received by Manufacturer: 06/11/2025
• Initial Report FDA Received Date: 05/30/2025
• Supplement Report FDA Received Date: 06/16/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• 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
• Patient Sex: Female