If Rh (BigD) is negative, may reflex to Weak D (Du) test
Testing should be performed within 7 days of collection.
Immediately after collection, mix tube thoroughly by gentle inversion, 8 - 10 times, to prevent clotting
Tube must be labeled with the patients first and last name and Excellian MRN, date and time of collection and phlebotomist’s A#
Tube must be labeled with the patient's first and last name and date of birth, date and time of collection and phlebotomist’s initials.
Lavender (EDTA), 4mL
Refrigerated - 7 days
A positive test indicates the presence of the D antigen.
The Rh blood group system is the second most important blood group system, after the ABO blood group system