ORTHO-CLINICAL DIAGNOSTICS, INC. VITROS IMMUNODIAGNOSTIC PRODUCTS ANTI-HBS REAGENT PACK; IN-VITRO DIAGNOSTICS
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Model Number 6801925 |
Device Problems
False Negative Result (1225); False Positive Result (1227)
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Patient Problem
No Clinical Signs, Symptoms or Conditions (4582)
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Event Date 12/03/2022 |
Event Type
malfunction
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Event Description
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A customer contacted the ortho clinical diagnostics (ortho) technical solution center (tsc) to report discordant, non-reactive vitros anti-hbc (ahbc) results and discordant, positive vitros anti-hbs (ahbs) samples from one patient were tested using vitros ahbc lot 2680 and vitros ahbs lot 3990 on a vitros 5600 immunodiagnostic system.The vitros results were considered discordant when compared to results from a non-vitros (abbott) method.Patient 1, vitros ahbs results of 40.76 and 48.27 miu/l (positive) versus the expected result of negative patient 1, vitros ahbc result of 1.98 and 1.87 s/c (non-reactive) versus the expected result of reactive the discordant vitros ahbc and vitros ahbs results were not reported from the laboratory.Ortho has not been made aware of any allegation of patient harm as a result of this event.This report is number one of two mdr¿s 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 (ortho) complaint number (b)(4) and reportability assessment 600429.
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Manufacturer Narrative
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The investigation determined that discordant, non-reactive vitros anti-hbc (ahbc) results and discordant, positive vitros anti-hbs (ahbs) samples from one patient were tested using vitros ahbc lot 2680 and vitros ahbs lot 3990 on a vitros 5600 immunodiagnostic system.The vitros results were considered discordant when compared to results from a non-vitros (abbott) method.The assignable cause of the discordant, vitros ahbc and vitros ahbs results for the patient is the presence of a sample interferent present in the patient samples that were tested.The discordant vitros ahbc and vitros ahbs results were not reported from the laboratory.Ortho has not been made aware of any allegation of patient harm as a result of this event.
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