FDA Adverse Event Malfunction Summary report: N

ELECSYS TROPONIN T HS

MDR report key: 22725391 · Received August 6, 2025

Report

Report Number
1823260-2025-02403
Event Type
Malfunction
Date Received
August 6, 2025
Date of Event
June 13, 2025
Report Date
August 25, 2025
Manufacturer
ROCHE DIAGNOSTICS
Product Code
MMI
PMA / PMN Number
K201441
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
FR
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE COBAS E 801 ANALYTICAL UNIT SERIAL NUMBER WAS (B)(6). THE INVESTIGATION IS ONGOING.

Additional Manufacturer Narrative · 0

DUE TO THE LIMITED INFORMATION PROVIDED, THE INVESTIGATION WAS UNABLE TO DETERMINE A SPECIFIC ROOT CAUSE. THERE WAS NO PRODUCT PROBLEM IDENTIFIED. A GENERAL REAGENT OR ANALYZER PROBLEM WAS NOT PRESENT BECAUSE THE QC RESULTS BEFORE THE EVENT WERE WITHIN ACCEPTABLE RANGES.

Description of Event or Problem · 0

THERE WAS AN ALLEGATION OF QUESTIONABLE ELECSYS TROPONIN T HS RESULTS FROM THE COBAS E 801 ANALYTICAL UNIT. PATIENT 1 INITIAL RESULT WAS 11.1 NG/L AND THE REPEAT RESULT WAS 3 NG/L. PATIENT 2 INITIAL RESULT WAS 7.2 NG/L AND THE REPEAT RESULTS WERE 3.89 NG/L AND 3 NG/L. PATIENT 3 INITIAL RESULT WAS 7.37 NG/L AND THE REPEAT RESULT WAS 3 NG/L. PATIENT 4 INITIAL RESULT WAS 6.31 NG/L AND THE REPEAT RESULTS WERE 8.73 NG/L AND 9.22 NG/L. PATIENT 5 INITIAL RESULT WAS 11.2 NG/L AND THE REPEAT RESULTS WERE 5.75 NG/L AND 4.28 NG/L. PATIENT 6 INITIAL RESULT WAS 9.91 NG/L AND THE REPEAT RESULTS WERE 15.9 NG/L, 5.71 NG/L, AND 5.61 NG/L. PATIENT 7 INITIAL RESULT WAS 62.4 NG/L AND THE REPEAT RESULTS WERE 51.9 NG/L AND 51.8 NG/L. PATIENT 8 INITIAL RESULT WAS 11.9 NG/L AND THE REPEAT RESULT WAS 5.7 NG/L. PATIENT 9, ON (B)(6) 2025, INITIAL RESULT WAS 107 NG/L AND THE REPEAT RESULTS WERE 37.1 NG/L AND 36.4 NG/L. PATIENT 10, ON (B)(6) 2025, INITIAL RESULT WAS 399 NG/L AND THE REPEAT RESULTS WERE 10.9 NG/L AND 10.6 NG/L. PATIENT 11, ON (B)(6) 2025, INITIAL RESULT WAS 7.3 NG/L AND THE REPEAT RESULT WAS 10.5 NG/L. PATIENT 12, ON (B)(6) 2025, INITIAL RESULT WAS 445 NG/L AND THE REPEAT RESULT WAS 13.4 NG/L. AFTER RECENTRIFUGATION, THE RESULTS WERE 11 NG/L AND 10.8 NG/L.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1528793 ELECSYS TROPONIN T HS IMMUNOASSAY METHOD, TROPONIN SUBUNIT MMI ROCHE DIAGNOSTICS 82723201

Patients

Seq Age Sex Outcome Treatment
1 NA Unknown