FDA Adverse Event Malfunction Summary report: N

ELECSYS TROPONIN T HS

MDR report key: 16487168 · Received March 6, 2023

Report

Report Number
1823260-2023-00682
Event Type
Malfunction
Date Received
March 6, 2023
Date of Event
February 2, 2023
Report Date
April 25, 2023
Manufacturer
ROCHE DIAGNOSTICS
Product Code
MMI
PMA / PMN Number
K961500
Removal / Correction Number
NA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
UK
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE CALIBRATION AND QC WERE BOTH ACCEPTABLE ON THE DAY OF THE EVENT AND ONWARDS. IT IS UNKNOWN IF A RACK ADAPTER WAS USED FOR THE 13 X 75 MM SAMPLE TUBE. THE CLOTTING TIME WAS APPROXIMATELY 1 HOUR. THE CENTRIFUGATION SPEED WAS 3190 RPM AND THE CENTRIFUGATION TIME WAS 10 MINUTES. BASED ON THE LIMITED INFORMATION PROVIDED, A LOCAL PRE-ANALYTICAL ISSUE CANNOT BE EXCLUDED. THE ALARM TRACE FROM (B)(6) 2023 WAS PROVIDED. AS THE QUESTIONABLE RESULT WAS MEASURED ON (B)(6) 2023, THE RELEVANT TIME FRAME WAS NOT DISPLAYED. THE PROVIDED ALARM TRACE DID NOT INDICATE ANY ISSUES. BASED ON THE PROVIDED DATA, A GENERAL REAGENT ISSUE CAN MOST LIKELY BE EXCLUDED. THE INVESTIGATION DID NOT IDENTIFY A PRODUCT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Description of Event or Problem · 0

THE INITIAL REPORTER RECEIVED A QUESTIONABLE ELECSYS TROPONIN T HS ASSAY RESULT FROM ONE PATIENT SAMPLE TESTED ON THE COBAS 6000 E 601 MODULE WITH SERIAL NUMBER 2409-13. THE INITIAL RESULT WAS NOT REPORTED OUTSIDE OF THE LABORATORY. A NEW SAMPLE FROM THE SAME PATIENT WAS SENT 4 HOURS LATER AND A DIFFERENT RESULT WAS OBTAINED FOR THIS PATIENT SAMPLE FROM THEIR OTHER MODULE. ON (B)(6) 2023: AT 3:12 PM, THE INITIAL RESULT OF THE INITIAL SAMPLE FROM THE MODULE WAS 57.25 PG/ML. AT 7:33 PM, THE REPEAT RESULT OF THE INITIAL SAMPLE FROM THE OTHER MODULE WAS 4.05 PG/ML. THE RESULT OF THE NEW SAMPLE FROM THE OTHER MODULE WAS 5 PG/ML. ON (B)(6) 2023: AT 10:10 AM, THE REPEAT RESULT OF THE INITIAL SAMPLE FROM THE MODULE WAS 5.44 PG/ML. AT 10:47 AM, THE REPEAT RESULT OF THE INITIAL SAMPLE FROM THE MODULE WAS 7.67 PG/ML. AT 1:33 PM, THE REPEAT RESULT OF THE INITIAL SAMPLE FROM THE MODULE WAS 10.56 PG/ML.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
707582 ELECSYS TROPONIN T HS IMMUNOASSAY METHOD, TROPONIN SUBUNIT MMI ROCHE DIAGNOSTICS NA 614921

Patients

Seq Age Sex Outcome Treatment
1 Unknown