Which one of the following is not raised in intravascular hemolysis?-: (A) Bilirubin, (B) LDH, (C) Reticulocyte count, (D) Haptoglobin
Answer is D. In intravascular hemolysis RBCs lyse in the circulation releasing hemoglobin into the plasma. Causes include mechanical trauma, complement fixation, and other toxic damage to the RBC. The fragmented RBCs are called schistocytes Ref Robbins 9/e pg409