Table 5. Testing the Red Cells With Known Antisera.Patient Red Cells Tested With Known Antisera | ABO Antigens Present on Red Cell |
3-4+ | 0 | 3-4+ | A |
0 | 3-4+ | 3-4+ | B |
0 | 0 | 0 | Neither A nor B |
3-4+ | 3-4+ | 3-4+ | A and B |
+ = agglutination (graded 1+ to 4+)
0 = no agglutination or hemolysis