DAT positive test occurs in Cases such as.. Hemolytic Blood transfusion. Cold Reactive autoantibodies

DAT positive test occurs in Cases such as:
a. Hemolytic disease of newborn
b. Hemolytic Blood transfusion
c. Warm reactive autoantibodies
d. Cold Reactive autoantibodies
e. Paroxysmal cold hemoglobin.
f. All.***