FDA Adverse Event Malfunction Summary report: N

VITROS CHEMISTRY PRODUCTS VALP REAGENT

MDR report key: 14982348 · Received July 11, 2022

Report

Report Number
1319808-2022-00011
Event Type
Malfunction
Date Received
July 11, 2022
Date of Event
March 26, 2022
Report Date
July 11, 2022
Manufacturer
ORTHO-CLINICAL DIAGNOSTICS
Product Code
LEG
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
WA, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 0

THE INVESTIGATION DETERMINED THAT LOWER AND HIGHER THAN EXPECTED VITROS VALPROIC ACID (VALP) RESULTS WERE PREDICTED FROM MULTIPLE LEVELS OF NON-VITROS MAS OMNI-CORE CONTROL LOT 2406 USING TWO DIFFERENT VITROS VALP REAGENT LOTS ON TWO DIFFERENT VITROS XT7600 INTEGRATED SYSTEMS. J76000731. VITROS VALP REAGENT LOT 2511-30-8922. VITROS VALP REAGENT LOT 2511-31-9364. THE MOST LIKELY ASSIGNABLE CAUSE IS UNKNOWN; HOWEVER, INCONSISTENT PRE-ANALYTICAL SAMPLE HANDLING CANNOT BE RULED OUT AS CONTRIBUTING TO THE EVENT. J76000726. VITROS VALP REAGENT LOT 2511-31-9364. THE MOST LIKELY ASSIGNABLE CAUSE A SUBOPTIMAL CALIBRATION EVENT. THE RESULTS THAT MET POTENTIAL HEALTH AND SAFETY CRITERIA WERE ALL ASSOCIATED WITH A CALIBRATION EVENT PERFORMED ON 13 JUNE 2022. THE HIGHER THAN EXPECTED VITROS VALP RESULTS USING REAGENT LOT 2511-31-9364 ON J76000726 APPEAR TO BE ASSOCIATED WITH THE 13 JUNE 2022 CALIBRATION, EVEN THOUGH THE CALIBRATION RESPONSES AND PARAMETERS LOOK TYPICAL. THE CAUSE OF THE ATYPICAL CALIBRATION IS UNKNOWN. ACCEPTABLE VITROS VALP RESULTS WERE OBTAINED USING CALIBRATIONS PERFORMED ON 10 JUNE 2022 AND 25 JUNE 2022. A REVIEW OF THE AFFECTED VITROS VALP RESULTS OBTAINED ON BOTH VITROS J76000731 AND J76000726 DETERMINED THE VITROS VALP REAGENT PACKS IN USE WHEN THE AFFECTED RESULTS WERE OBTAINED ALSO GENERATED ACCEPTABLE RESULTS AFTER THE EVENTS OCCURRED. THIS INDICATES THE VITROS VALP REAGENT PACKS IN USE DID NOT LIKELY CONTRIBUTE TO THE EVENT. THERE WAS NO INDICATION THE VITROS XT7600 INTEGRATED SYSTEMS MALFUNCTIONED, AND IT IS UNLIKELY THAT BOTH INSTRUMENTS WERE NOT PERFORMING AS INTENDED. HOWEVER, SINCE DIAGNOSTIC VITROS GENT WITHIN-RUN PRECISION TESTING (USED TO ASSESS ANALYZER PERFORMANCE) WAS NOT PERFORMED AS REQUESTED, AN INSTRUMENT RELATED PERFORMANCE ISSUE CANNOT BE COMPLETELY RULED OUT AS CONTRIBUTING TO THE EVENT. EMAIL ADDRESS FOR CONTACT OFFICE IN FIELD (B)(6).

Description of Event or Problem · 0

THE INVESTIGATION DETERMINED THAT LOWER AND HIGHER THAN EXPECTED VITROS VALPROIC ACID (VALP) RESULTS WERE PREDICTED FROM MULTIPLE LEVELS OF NON-VITROS MAS OMNI-CORE CONTROL LOT 2406 USING TWO DIFFERENT VITROS VALP REAGENT LOTS ON TWO DIFFERENT VITROS XT7600 INTEGRATED SYSTEMS. J76000731. VITROS VALP REAGENT LOT 2511-30-8922. MAS L1 VALP RESULTS OF (B)(6) AND <(B)(6) UG/ML VS. THE EXPECTED RESULT OF (B)(6) UG/ML. MAS L2 VALP RESULTS OF (B)(6) AND (B)(6) UG/ML VS. THE EXPECTED RESULT OF (B)(6) UG/ML. MAS L3 VALP RESULTS OF (B)(6) AND (B)(6) UG/ML VS. THE EXPECTED RESULT OF (B)(6) UG/ML. VITROS VALP REAGENT LOT 2511-31-9364. MAS L2 VALP RESULT OF (B)(6) UG/ML VS. THE EXPECTED RESULT OF (B)(6) UG/ML. MAS L3 VALP RESULTS OF (B)(6) AND (B)(6) UG/ML VS. THE EXPECTED RESULT OF (B)(6) UG/ML. J76000726. VITROS VALP REAGENT LOT 2511-31-9364. MAS L1 VALP RESULTS OF (B)(6) UG/ML VS. THE EXPECTED RESULT OF (B)(6) UG/ML. MAS L2 VALP RESULTS OF (B)(6) UG/ML VS. THE EXPECTED RESULT OF (B)(6) UG/ML. BIASED RESULTS OF THE MAGNITUDE AND DIRECTION OBSERVED MAY LEAD TO INAPPROPRIATE PHYSICIAN ACTION IF THEY WERE TO OCCUR UNDETECTED ON PATIENT SAMPLES. THERE WAS NO REPORT OF AFFECTED PATIENT RESULTS. THERE WAS NO ALLEGATION OF PATIENT HARM. THIS REPORT IS NUMBER FIVE OF TEN MDR¿S FOR THIS EVENT. TEN 3500A FORMS ARE BEING SUBMITTED FOR THIS EVENT AS TEN DEVICES WERE INVOLVED. THIS REPORT CORRESPONDS TO ORTHO CLINICAL DIAGNOSTICS INC (ORTHO) COMPLAINT NUMBERS (B)(4).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2397273 VITROS CHEMISTRY PRODUCTS VALP REAGENT IN-VITRO DIAGNOSTICS LEG ORTHO-CLINICAL DIAGNOSTICS 2511-30-8922

Patients

Seq Age Sex Outcome Treatment
1 Unknown