Diagnosis of Autoimmune Hemolytic Anemia (AIHA)

Two criteria must be diagnose AIHA: serologic evidence of an autoantibody and clinical or laboratory evidence of hemolysis. Serologic evidence of an autoantibody is provided by positive autocontrol and direct antiglobulin test (DAT, direct Coombs´ test) results and subsequent identification of an autoantibody in the RBC eluate and possibly the serum. Serum reactivity with autologous RBCs generally indicates the presence of an autoantibody, but it does not exclude the presence of an autoantibody.
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