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