VITROS CHEMISTRY PRODUCTS VALP REAGENT
Report
- Report Number
- 1319808-2013-00027
- Event Type
- Malfunction
- Date Received
- April 26, 2013
- Date of Event
- March 2, 2013
- Report Date
- April 26, 2013
- Manufacturer
- ORTHO-CLINICAL DIAGNOSTICS
- Product Code
- LEG
- Product Problem
- Yes
- Report Source
- Manufacturer report
- Reporter Location
- MO, US
- Reporter Occupation
- OTHER
Narratives
THE INVESTIGATION DETERMINED THAT MULTIPLE, HIGHER THAN EXPECTED, VITROS VALP QUALITY CONTROL RESULTS WERE OBTAINED ON A VITROS 5600 INTEGRATED SYSTEM. THE INVESTIGATION WAS UNABLE TO DETERMINE A DEFINITIVE ROOT CAUSE. USER ERROR DUE TO USE OF INAPPROPRIATE BASELINE MEANS OR INADEQUATE VERIFICATION OF THE IN-USE VALP CALIBRATION CURVE CANNOT BE RULED OUT AS POTENTIAL CONTRIBUTING FACTORS FOR THE MAGNITUDE OF BIAS OBSERVED. IN ADDITION, SWAPPING OR PLACING PREVIOUSLY USED METERING PROBOSCISES BACK ONTO THE INSTRUMENT FOR USE, A VITROS VALP REAGENT ISSUE, AND THE MAS QUALITY CONTROL FLUIDS THEMSELVES CANNOT BE RULED OUT AS POTENTIAL CONTRIBUTING FACTORS. THE ROOT CAUSE OF THE EVENT IS UNKNOWN. EXPECTED VITROS VALP PERFORMANCE WAS OBTAINED FOLLOWING RECALIBRATION OF THE SAME REAGENT LOT.
A CUSTOMER OBSERVED MULTIPLE, HIGHER THAN EXPECTED, VITROS VALP QUALITY CONTROL RESULTS ON A VITROS 5600 INTEGRATED SYSTEM. THE FOLLOWING RESULTS WERE OBTAINED: QC FLUID MAS 1 = 42.7, 44.0 VS. AN EXPECTED RESULT = 32.5 - G/ML; QC FLUID MAS 2 = 94.9, 94.7, 95.6, 94.7, 98.0 VS. AN EXPECTED RESULT = 78.0 -G/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 THAT PATIENT SAMPLE RESULTS WERE QUESTIONED. THERE WAS NO REPORT OF PATIENT HARM AS A RESULT OF THIS EVENT. THIS REPORT IS NUMBER ONE OF TWO MDRS FOR THIS EVENT. TWO 3500A FORMS ARE BEING SUBMITTED FOR THIS EVENT AS TWO DEVICES WERE INVOLVED. (B)(4).
Devices
| Seq | Brand | Generic | Product Code | Manufacturer | Model | Lot | UDI-DI |
|---|---|---|---|---|---|---|---|
| 182213 | VITROS CHEMISTRY PRODUCTS VALP REAGENT | IN-VITRO DIAGNOSTIC | LEG | ORTHO-CLINICAL DIAGNOSTICS | 2511-21-2571 |
Patients
| Seq | Age | Sex | Outcome | Treatment |
|---|---|---|---|---|
| 1 |