| Immunohematology Lab: minimum sample volume required for testing | |
|
Investigation |
Minimum blood sample volume/type required |
| ABO/Rh grouping | 3ml EDTA |
| Alloantibody screening | 3ml EDTA |
| Alloantibody identification | 10ml EDTA |
| Extended RBC phenotype | 3ml EDTA |
| Hemolytic Disease of Newborn | 3ml cord EDTA + 3ml maternal clotted |
| Compatibility testing | 3ml EDTA |
| Autoantibody/ DAT positive | 12ml EDTA |
| A&B transferase | 10ml clotted |
| Other investigation | 6ml EDTA |
