FDA Adverse Event Malfunction Summary report: N

VITROS IMMUNODIAGNOSTIC PRODUCTS ANTI-HBS QUANTITATIVE REAGENT PACK

MDR report key: 4905275 · Received July 10, 2015

Report

Report Number
3007111389-2015-00205
Event Type
Malfunction
Date Received
July 10, 2015
Date of Event
November 22, 2014
Report Date
July 10, 2015
Manufacturer
ORTHO-CLINICAL DIAGNOSTICS
Product Code
LOM
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
FR
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

THE INVESTIGATION DETERMINED THAT UNEXPECTED REPRODUCIBLE POSITIVE VITROS AHBS RESULTS WERE OBTAINED FOR TWO PATIENT SAMPLES FROM THE SAME PATIENT WHEN USING TWO DIFFERENT LOTS OF VITROS AHBS REAGENT ON A VITROS 5600 INTEGRATED SYSTEM. ROOT CAUSE FOR THE UNEXPECTED POSITIVE RESULTS COULD NOT BE DETERMINED; HOWEVER, THE POSSIBILITY THAT THE RESULTS ARE SAMPLE RELATED COULD NOT BE RULED OUT. APART FROM THE RESULTS THEMSELVES, THERE WAS NO FURTHER DATA PROVIDED WHICH QUESTIONED THE PERFORMANCE OF THE CUSTOMER'S VITROS AHBS REAGENTS OR VITROS 5600 SYSTEM.

Description of Event or Problem · 1

THE CUSTOMER COMPLAINED AFTER OBSERVING UNEXPECTED REPRODUCIBLE POSITIVE VITROS AHBS RESULTS FOR TWO PATIENT SAMPLES FROM THE SAME PATIENT WHEN USING TWO DIFFERENT LOTS OF VITROS AHBS REAGENT ON A VITROS 5600 INTEGRATED SYSTEM. THE TRUE AHBS STATUS OF THE PATIENT SAMPLES WAS DETERMINED TO BE NEGATIVE BASED ON NEGATIVE NON-VITROS AHBS TEST RESULTS AND THE PATIENT'S CLINICAL HISTORY. VITROS AHBS RESULTS: >1000 MIU/ML VS EXPECTED <8 MIU/ML BIASED RESULTS OF THE MAGNITUDE AND DIRECTION OBSERVED MAY LEAD TO INAPPROPRIATE PHYSICIAN ACTION. THE FALSE POSITIVE VITROS AHBS TEST RESULTS WERE REPORTED TO A CLINICIAN HOWEVER NO TREATMENT WAS STARTED, STOPPED OR ALTERED AS A RESULT OF THE EVENTS. THERE WERE NO ALLEGATIONS OF PATIENT HARM MADE. THIS REPORT IS NUMBER TWO OF TWO MDR&#38112;FOR THIS EVENT. TWO 3500A FORMS ARE BEING SUBMITTED FOR THIS EVENT AS TWO DEVICES WERE INVOLVED. THIS REPORT CORRESPONDS TO ORTHO CLINICAL DIAGNOSTICS INC. (B)(4).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
449139 VITROS IMMUNODIAGNOSTIC PRODUCTS ANTI-HBS QUANTITATIVE REAGENT PACK IN-VITRO DIAGNOSTIC LOM ORTHO-CLINICAL DIAGNOSTICS 2710

Patients

Seq Age Sex Outcome Treatment
1