The customer reported that they had obtained discrepant abo grouping results for two donors¿ samples using biovue technique with their ortho vision biovue analyzer.Complainant name: mrs.(b)(6)¿ laboratory supervisor.Event date: (b)(6) 2016.Reported on: 27 october 2016 by mrs.(b)(6) to the helpdesk, who wrongly assessed the event.Ortho complaint handling unit was made aware on 23 march 2017.(missphs assigned on the same day).Software version: not provided.Reagents: ortho biovue system abo-rh/reverse grouping cassette lot abr152a exp.(b)(6) 2016.Ortho biovue system poly cassette lot ahc584a exp.(b)(6) 2017.Patient information: no information was provided.Donor information: donor (b)(6): known to be a(abo1), d(rh1) antigen positive; donor (b)(6): known to be b(abo2), d(rh1) antigen positive.The customer said that, on (b)(6) 2017, they had tested two patients for major crossmatch test against the two above mentioned donor samples using ortho biovue system poly cassette in conjunction with their ortho vision biovue analyzer and that they had obtained negative/compatible results.The customer said that, on the same day, they had tested the two above mentioned donor samples for abo grouping using ortho biovue system abo-rh/reverse grouping cassette in conjunction with their ortho vision biovue analyzer and that they had obtained : - b(abo2), d(rh1) antigen positive result for the donor being a(abo1), d(rh1) antigen positive - a(abo1), d(rh1) antigen positive result for the donor being b(abo2), d(rh1) antigen positive.The customer said that no biased result were reported to the physicians.The customer said that no patient was harmed as a consequence of these events.
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