BB LEC - Causes of ABO Discrepancies Flashcards
1
Q
A or B subgroups
A
forward
missing Ag
2
Q
Disease (leukemia)
A
forward
missing Ag
3
Q
Acquired B
A
forward
extra AG
4
Q
Rouleaux
A
forward
extra AG
Backward extra Ab
5
Q
Cold AutoAb
A
forward
extra AG
6
Q
Wharton’s Jelly
A
forward
extra AG
7
Q
Group O transfusions
A
forward
mixed field
8
Q
SC Transplant
A
forward
mixed field
9
Q
A3 or B3 phenotype
A
forward
mixed field
10
Q
Newborns, elderly, immunocompromised
A
backward
missing ab
11
Q
anti-A1
A
backward
extra Ab
12
Q
cold alloantibodies
A
extra Ab
13
Q
passively acquired antibody
A
extra Ab