Ortho performed retain testing, batch review, complaint review by lot, donor history, and donor complaint review.Based upon the results of this investigation, the reported customer issue was unable to be confirmed.All results were satisfactory.Sample was not returned to ortho for further investigation.(b)(4).
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Account reports one patient with no previous history with anti-big e.Patient was positive (1+) with the big e positive cell on 0.8% selectogen, but failed to react with any big e positive cells on 0.8% resolve panel a lot vra296.Account then performed 0.8% resolve panel b and all big e positive cells reacted 1+.Anti-igg card was used.No erroneous results released.Only big e negative blood was selected for transfusion.No harm came to patient.Issue started on: (b)(6) 2018.Frequency: one patient.Methodology used: manual gel.Incubation time (for manual test only): 15 minutes.Reaction grade obtained: 1+ for the big e positive cells on 0.8% selectogen and 0.8% resolve panel b, no reactivity with big e positive cells on vra296.Customer was expecting: all big e positive cells to be positive.Test repeated: yes.Account did repeat the big e positive cells on 0.8% resolve panel a - they did not extend the incubation time.Result obtained by repeating: they were still negative.Method used to repeat: manual gel.Daily qc performed and found to be acceptable.Sample type: edta plasam.Cards /cassettes/rbc storage condition temperature: per ifu.Visual appearance before use: all reagents have a normal appearance prior to use.
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