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ABO and Rh typing

ABO  Forward Group		ABO Reverse Group		Rh*		Interpretation
anti-A	anti-B	A1 cells	B cells	anti-D	Rh control	A Neg
4+	0	0	4+	0	0

Antibody screen and crossmatch

Cells	PEG IAT	CC	Donor Number	PEG IAT	CC
Screen Cell I    R1R1 Jk(a+b-)	0	2+	430989	0	2+
Screen Cell II     R2R2 Jk(a+b-)	w+	2+	435714	0	2+
Screen Cell III    rr Jk(a-b+)	0	2+
autocontrol	0	2+

PEG = polyethylene glycol    IAT = indirect antiglobulin test    CC = IgG sensitized red cells

** Donors are group A Rh negative (C- D- E-)  Jk(a-)

See the antigen phenotypes of the donors used in the post-transfusion crossmatch.