The customer is reporting a discrepant weak positive a(abo1) antigen typing result for one patient sample using ortho biovue technique in conjunction with their ortho vision biovue analyzer.Complainant: (b)(6) (position not provided).Complaint reporter: (b)(6) ¿ ortho laboratory specialist.Event date: (b)(6) 2017.Reported on: 06 april 2017 by (b)(6) to (b)(6) who reported it to the helpdesk on the same day.Patient information: pregnant women; known to be o rhd negative.Software version: 4.8.0.Reagent: ortho biovue system abd-rum 1 confirmation cassette lot ndc149a exp.21 july 2017.The customer reported that, on (b)(6) 2017, they had tested a patient sample for abd confirmation typing using ortho biovue system abd-rum 1 confirmation cassette lot ndc149a in conjunction with their ortho vision biovue analyzer and that they had obtained a weak positive reaction (0.5+ reaction strength) with biovue anti-a(abo1) reagent and negative reactions with biovue anti-b(abo2) and d(rh1) reagents.The customer reported that upon visual inspection of the cassette image, they would have graded the reaction with biovue anti-a(abo1) reagent as negative.The customer said that an a blood group result was automatically accepted and transferred to their laboratory information system (lis) where the result was blocked.The customer said that they had repeat-tested the same sample using the same reagent lot and analyzer and that they had obtained the expected o group.The customer reported that no biased result had been reported to a physician and that the patient had not been harmed as a result of the reported event.
|