Rh Immune Globulin may cause a positive antibody screen and subsequent antibody identification if patient receives a dose prior to test draw.
Sample should be obtained no more than 3 days (up to 96 hours) prior to testing.
In certain circumstances, additional blood may be requested to complete testing. If the patient has a known antibody, collect and submit 2-3 4mL EDTA whole blood tubes for testing.
Immediatley following collection, mix sample by inverting 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.
Submit tube unspun
Lavender (EDTA), 4mL
Refrigerated - 3 days (96 hours)
Antibody screen evaluates for the presences of antibodies.