FDA Adverse Event Malfunction Summary report: N

ELECSYS TROPONIN T HS

MDR report key: 22025966 · Received May 15, 2025

Report

Report Number
1823260-2025-01487
Event Type
Malfunction
Date Received
May 15, 2025
Date of Event
April 17, 2025
Report Date
June 13, 2025
Manufacturer
ROCHE DIAGNOSTICS
Product Code
MMI
PMA / PMN Number
K201441
Report Source
Manufacturer report
Reporter Location
VM
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Additional Manufacturer Narrative · 0

THE SERIAL NUMBER OF THE COBAS E 801 ANALYTICAL UNIT IS (B)(6). THE CALIBRATION AND QC WERE WITHIN THE SPECIFIED RANGES. THE ANALYZER'S ALARM FILES SHOWED A SAMPLE CLOT DETECTION ALARM, INDICATING A POSSIBLE SAMPLE QUALITY ISSUE. THE SAMPLE FOAM DETECTION (SFD) CAMERA IMAGE SHOWED A FILM OF DUST ON THE ANALYZER SURFACE. THE SFD IMAGE OF THE PATIENT SAMPLE WAS UNREMARKABLE, BUT DUST WAS VISIBLE ON THE GRIPPER WHEELS AROUND THE TUBE. THESE CAN LEAD TO QUESTIONABLE RESULTS. A GENERAL REAGENT OR ANALYZER PROBLEM WAS NOT DETECTED BECAUSE THE QCS BEFORE THE EVENT WERE WITHIN THE SPECIFIED RANGES. THE INVESTIGATION IS ONGOING.

Description of Event or Problem · 0

THE INITIAL REPORTER RECEIVED A QUESTIONABLE TROPONIN T HS ELECSYS ASSAY RESULT FROM ONE PATIENT SAMPLE TESTED ON THE COBAS E 801 ANALYTICAL UNIT. THE INITIAL RESULT WAS 48.1 NG/L. THE REPEAT RESULT WAS 12.6 NG/L.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1754987 ELECSYS TROPONIN T HS IMMUNOASSAY METHOD, TROPONIN SUBUNIT MMI ROCHE DIAGNOSTICS 81184801

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown