Fig. 1.
Workflow algorithm used to investigate samples exceeding the delta check criteria for Hb and platelet count.
Abbreviations: Y, yes; N, no; D, sample included in the delta check; ND, sample not included in the delta check; Inc, increase; Dec, decrease; Hct, hematocrit; WB, whole blood; PRBC, packed red blood cell; PC, platelet concentrate; AP, apheresis platelet; PBS, peripheral blood smear; Hx., history.
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