A customer observed multiple discordant negative anti-hcv results obtained from a single non-vitros biorad virotrol reactive control sample using three different vitros ahcv lot 9090 reagent packs (pack id¿s 1159, 1161, and 1162) on 3 different vitros eciq immunodiagnostic systems.Pack 1159: 0.7888 s/c vs.Expected result >/ = 1.00 s/c.Pack 1161: 0.870, 0.735 s/c vs.Expected result >/ = 1.00 s/c.Pack 1162: 0.886, 0.895 s/c vs.Expected result >/ = 1.00 s/c.There was no report of affected patient samples, however; the investigation cannot conclude that patient sample results had not been affected or would not be affected if the event were to recur undetected.There were no allegations of harm as a result of this event.This report is number one of three mdr¿s for this event.Three 3500a forms are being submitted for this event as three devices were involved.(b)(4).
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