FDA Adverse Event Malfunction Summary report: N

ELECSYS TROPONIN T HS STAT

MDR report key: 17591125 · Received August 21, 2023

Report

Report Number
1823260-2023-02719
Event Type
Malfunction
Date Received
August 21, 2023
Date of Event
July 26, 2023
Report Date
September 19, 2023
Manufacturer
ROCHE DIAGNOSTICS
Product Code
MMI
PMA / PMN Number
K201441NA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
BR
Reporter Occupation
OTHER HEALTH CARE PROFESSIONAL
Health Professional
Yes

Narratives

Additional Manufacturer Narrative · 0

THE INVESTIGATION REVIEWED THE QC DATA. THE QC WAS WITHIN THE ASSIGNED RANGES ON THE DAY OF SAMPLE MEASUREMENT. THE INVESTIGATION REVIEWED THE CUSTOMER'S ANSWERS REGARDING PATIENT SAMPLING INQUIRIES; NO ISSUES WERE NOTED. THE FIELD SERVICE ENGINEER (FSE) VERIFIED THE ALIGNMENTS OF THE ANALYZER. THE FSE PERFORMED A LIQUID-LEVEL CHECK (LLC) FOR THE SAMPLE PROBE WHICH GAVE A HIGH RESULT. HE THEN PERFORMED MORE ADJUSTMENTS. HE PERFORMED SYSTEM VOLUME AND PRECISION CHECKS WITH SUCCESSFUL RESULTS. AFTER SERVICE, NO FURTHER ISSUES WERE REPORTED BY THE CUSTOMER. THE INVESTIGATION DETERMINED THE SERVICE ACTIONS RESOLVED THE ISSUE. THE INVESTIGATION EXCLUDED A GENERAL REAGENT PROBLEM. THE CAUSE OF THE EVENT COULD NOT BE DETERMINED.

Additional Manufacturer Narrative · 0

THE SERIAL NUMBER OF THE COBAS (B)(6). THE INVESTIGATION REVIEWED THE QC DATA; THE QC WAS WITHIN THE ASSIGNED RANGES ON THE DAY OF SAMPLE MEASUREMENT. THE FIELD SERVICE ENGINEER INVESTIGATED THE ISSUE AND I NOTED THAT THE CUSTOMER USES SAMPLE CUPS NOT VALIDATED FOR THIS MODEL OF QC EQUIPMENT. PRODUCT LABELING STATES "SAMPLE CUPS (1),(2) ROCHE-CERTIFIED 2 ML SAMPLE CUPS DO NOT USE MICRO CUPS." THE FSE VERIFIED THAT THE ALIGNMENTS WERE WITHIN SPECIFICATIONS. HE CHECKED THE LIQUID LEVEL DETECTION (LLD) OF THE SAMPLE PROBE. HE PERFORMED A SYSTEM VOLUME CHECK AND PRECISION TESTS WITH SUCCESSFUL RESULTS. THE INVESTIGATION EXCLUDED A GENERAL REAGENT PROBLEM. THE INVESTIGATION IS ONGOING.

Description of Event or Problem · 0

THE INITIAL REPORTER RECEIVED A QUESTIONABLE ELECSYS TROPONIN T HS STAT RESULT FROM ONE PATIENT SAMPLE TESTED ON THE COBAS E 411. THE INITIAL RESULT WAS CONSIDERED INCORRECT AND WAS NOT REPORTED OUTSIDE OF THE LABORATORY. THE INITIAL RESULT AT 11:37 AM WAS 376.5 PG/ML WITH A DATA FLAG. THE FIRST REPEAT RESULT AT 11:59 AM WAS 4.57 PG/ML. THE SECOND REPEAT RESULT AT 12:25 PM WAS 4.91 PG/ML. THE THIRD REPEAT RESULT AT 1:14 PM WAS 5.04 PG/ML. THE REPEAT RESULTS WERE DEEMED CORRECT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1091420 ELECSYS TROPONIN T HS STAT IMMUNOASSAY METHOD, TROPONIN SUBUNIT MMI ROCHE DIAGNOSTICS 68812401

Patients

Seq Age Sex Outcome Treatment
1 Unknown