Testing of Neonates* Immunohematology Review 480
SPECIMEN COMMENTS
ABO & RhAntibody screenCrossmatch*Younger than 4 months.
ABO forward grouping only. Only required once per admission.Only required once per admissionIf ab screen pos, perform AHG xmatch on units neg for corresponding
ag. If ab screen neg, xmatch not required.Cord blood, capillary, or venous bloodSerum or plasma of mother or babySerum or plasma of mother or baby