If a CBC and/or an antibody screening test is ordered with this test, please submit a separate 4 mL specimen for each test.
Expected Turnaround Time
1 – 2 days
Specimen Requirements
Specimen
1 – 2 days
Volume
4 mL
Minimum Volume
1 mL
Container
Lavender-top (EDTA) tube
Collection
Storage Instructions
Specimens should be tested as soon as possible. Samples that cannot be tested immediately should be stored at 2°C to 8°C. Do not freeze red cells.
Causes for Rejection
Gross hemolysis; bacterial or other contamination
Test Details
Use
Determination of ABO blood group for transfusion candidates. Blood grouping of expectant mothers and newborns may indicate potential for ABO hemolytic disease of the fetus/newborn.