Donath-Landsteiner from a cold autoantibody

Donath-Landsteiner from a cold autoantibody : Explain how you would differentiate a Donath-Landsteiner antibody from a cold autoantibody? cold antibody autoimmune hemolytic anemias are generally recognized: Donath-Landsteiner hemolytic anemia (DLHA) and cold agglutinin disease.