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JoAnn

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    Gel card with 1+ reactions showing negative after spinning a second time

    JoAnn replied to dwalters's topic in Immunohematology Reference Laboratories
    We have also seen positive reactions spinning down to negative when respinning the gel card while finishing a second screen on a new patient on the same card. We have found that anything truly positive does not spin away. The positive reactions we had that spun away were either rouleaux or a non specific cold agglutinin. We have also found that any agglutination, no matter how little, is an antibody.

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