FDA Adverse Event Malfunction Summary report: N

COAGUCHEK ® XS SYSTEM

MDR report key: 6987956 · Received October 30, 2017

Report

Report Number
1823260-2017-02462
Event Type
Malfunction
Date Received
October 30, 2017
Date of Event
October 10, 2017
Report Date
October 30, 2017
Manufacturer
ROCHE DIAGNOSTICS
Product Code
GJS
PMA / PMN Number
K062925
Removal / Correction Number
NA
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
US
Reporter Occupation
PATIENT

Narratives

Additional Manufacturer Narrative · 1

(B)(4)

Description of Event or Problem · 1

THE CUSTOMER RECEIVED QUESTIONABLE RESULTS FROM COAGUCHEK XS SERIAL NUMBER (B)(4). THE RESULT AT 2:09 PM WAS 5.2 INR AND THE RESULT AT 2:18 PM WAS 2.8 INR. THERE WAS NO ALLEGATION OF AN ADVERSE EVENT AND THE CUSTOMER WAS STABLE. THE CUSTOMER WAS NOT ANEMIC, HAD NO ANTIPHOSPHOLIPID ANTIBODIES, NO HEPARIN THERAPY, AND NO DIRECT THROMBIN INHIBITORS. THE CUSTOMER HAD NO CHANGE IN MEDICATIONS, NO SICKNESS OR ILLNESS, AND NO CHANGE IN DIET. THE CUSTOMER HAD NO BRUISING OR BLEEDING. THE THERAPEUTIC RANGE WAS 2.5-3.0 INR. THE SUSPECT METER AND STRIPS WERE REQUESTED TO BE RETURNED FOR INVESTIGATION. THE RETURNED METER AND STRIPS WERE TESTED IN COMPARISON TO A RETENTION METER AND MASTERLOT STRIPS. TWO HUMAN BLOOD SAMPLES FROM WARFARIN DONORS AND INTERNAL REFERENCE METERS WERE USED. DONOR INR: 2.7 INR AND 2. INR, DONOR HCT: 49% AND 47%. DONOR 1: MASTER LOT / CUSTOMER STRIP AND METER: 2.6 INR/ 2.6 INR. DONOR 2: MASTER LOT / CUSTOMER STRIP AND METER: 2.4 INR/ 2.4 INR. ALL RESULTS WERE WITHIN THE SPECIFIED MAXIMUM DIFFERENCE BETWEEN MEASUREMENTS. NO ERROR MESSAGES OCCURRED. THE RETURNED AND THE RETENTION MATERIAL MEET THE SPECIFICATION. RELEVANT RETENTION TEST STRIPS (LOT 223855-22) WERE TESTED IN COMPARISON WITH THE CURRENT MASTER LOT COAGUCHEK XS PT TEST STRIP (LOT 124158-80). FOR THIS PURPOSE TWO HUMAN BLOOD SAMPLES FROM MARCUMAR DONORS AND TWO INTERNAL REFERENCE METERS WERE USED. NO ERROR MESSAGES OCCURRED. RETENTION SAMPLES WERE ACCEPTABLE AND RETENTION MATERIAL PERFORMED AS SPECIFIED. NO INFORMATION WAS PROVIDED IN THE COMPLAINT CASE THAT WOULD POINT TO A CAUSE FOR THE RESULT DISCREPANCY.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
768210 COAGUCHEK ® XS SYSTEM PROTHROMBIN TIME TEST STRIPS GJS ROCHE DIAGNOSTICS NA 22385522

Patients

Seq Age Sex Outcome Treatment
1 65 YR