Answer:
Autoimmune hemolytic anemia
Step-by-step explanation:
Autoimmune hemolytic anemia is caused by autoantibodies that react with red blood cells at temperatures ≥ 37° C (warm antibody hemolytic anemia) or < 37° C (cold agglutinin disease). Hemolysis is extravascular. The direct antiglobulin (direct Coombs) test establishes the diagnosis and may suggest the cause.