HDN - 5
Immunologic
testing: continued
eNeonatal
evaluation:
direct antiglobulin test (DAT)
blood typing
‡performed on cord blood
‡detects antibodies attached to fetal red cells
‡if positive antibodies are eluted off the red cells
and identified and NBIL* is ordered
*NBIL = neonatal bilirubin test measures unconjugated
bilirubin
‡blood type of newborn is performed using forward typing
only (no anti-A or anti-B formed yet to perform reverse
typing)
‡if mom is O type and newborn is A, B, or AB it alerts the
physician to possible ABO HDN and bilirubin can be monitored
