| Catalog Number |
6801710 |
| Medical Device Problem Codes |
High Test Results (2457); Low Test Results (2458)
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| Health Effect - Clinical Code |
No Clinical Signs, Symptoms or Conditions (4582)
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| Date of Event |
08/04/2025
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Type of Reportable Event
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Malfunction
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Event or Problem Description
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A customer contacted the ortho clinical diagnostics (ortho) technical solution center (tsc) to report lower and higher than expected valproic acid (valp) results were obtained from three levels of non-vitros biorad quality control (qc) fluids using vitros chemistry products valp reagent lot 2511-35-2886 on a vitros xt7600 integrated system.Vitros valp biorad level 1 results of 62.4, 63.2, 27.8 ug/ml versus the expected result of 38.7 ug/ml vitros valp biorad level 2 results of 120.4, 120.9 ug/ml versus the expected result of 76.9 ug/ml vitros valp biorad level 3 results of >150.0, >150.0 ug/ml versus the expected result of 113.8 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.The higher and lower than expected results were from quality control fluids.The customer confirmed that patient results were not processed on the day of the event.There was no allegation of patient harm as a result of this event.This report corresponds to ortho clinical diagnostics inc (ortho) complaint number (b)(4) and reportability assessment (b)(4).
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Additional Manufacturer Narrative
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The investigation determined that lower and higher than expected valproic acid (valp) results were obtained from three levels of non-vitros biorad quality control (qc) fluids using vitros chemistry products valp reagent lot 2511-35-2886 on a vitros xt7600 integrated system.The assignable cause of the event is unable to be determined.Historical qc results for vitros valp lot 2511-35-2886 were within expectation prior to the event.Additionally, continual tracking and trending does not indicate a systemic issue with vitros valp lot 2511-35-2886.A reagent pack related issue cannot be ruled out as a contributor to the event.Although initial qc results obtained for the reagent pack on 01 aug 2025 were within expectation, the quality control processed on the same reagent pack (3241) on 04 aug 2025 was outside specification.It is possible that the vitros valp lot 2511-35-2886 reagent pack because compromised at some point between the runs of qc, however it is unable to be confirmed what could have occurred with the pack.An issue related to the quality control fluid in use at the time of the event is not a likely contributor, as the same quality control fluids used when the lower and higher than expected results were obtained produced acceptable results on 04 aug 2024 when run on a new vitros valp lot 2511-35-2886 reagent pack.
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Search Alerts/Recalls
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