MAUDE Adverse Event Report: ROCHE DIAGNOSTICS ELECSYS TROPONIN T GEN 5; TROPONIN SUBUNIT IMMUNOASSAY METHOD

Catalog Number	08469890160
Medical Device Problem Codes	Incorrect, Inadequate or Imprecise Result or Readings (1535); High Test Results (2457); Low Test Results (2458); Non Reproducible Results (4029)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/01/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The analyzer's serial number is (b)(6).The field service representative performed water pump and gear pump adjustments, vertical adjustments of the detection unit, verified probe adjustments, performed a liquid flow clean, and performed primes.He performed checks and tests with acceptable results.The investigation is ongoing.
Event or Problem Description
There was an allegation of questionable elecsys troponin t gen 5 results for 2 patient samples on a cobas e 801 analytical unit.Patient 1: the initial result was 25 ng/l, and the repeated result was 9.91 ng/l.Patient 2: the initial result was 13 ng/l, and the repeated result was 31 ng/l.The repeated results were obtained on another module and were believed to be correct.The samples were repeated due to "abnormally high" results.
Additional Manufacturer Narrative
The alarm trace showed many "sample short", "clot detection", and "sample foam detection" alarms.The qc was acceptable.A general product problem was excluded.The investigation did not identify a product problem.

• Brand Name: ELECSYS TROPONIN T GEN 5
• Common Device Name: TROPONIN SUBUNIT IMMUNOASSAY METHOD
• 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: 24151792
• Report Number: 1823260-2026-00247
• Device Sequence Number: 15828091
• Product Code: MMI
• UDI-Device Identifier: 07613336158982
• UDI-Public: 07613336158982
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K201441
• 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): 04/08/2026

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: 08469890160
• Device Lot Number: 847378
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 01/02/2026
• Supplement Date Received by Manufacturer: 03/23/2026
• Initial Report FDA Received Date: 01/22/2026
• Supplement Report FDA Received Date: 04/08/2026
• 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 Age: 71 YR
• Patient Sex: Male