Ensis01
Community Answers
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Ensis01's post in Repeat of donor Antigen typing was marked as the answer
If you are screening unknown units in your inventory then a second confirmatory test on that unit is strongly advised.
If you receive labeled antigen negative units from your reference lab then believe their process and the label.
Retesting because a tech does not trust someone else’s work due to “comfort” seems to be a waste of time and money.