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Haptoglobin is a protein that binds free hemoglobin released from damaged red blood cells, preventing iron-mediated kidney damage. It is the primary screening marker for hemolytic anemia. Low haptoglobin indicates your red blood cells are being destroyed faster than normal.
Also known as: Hapto, Haptoglobin, Haptoglobina, Haptoglobine, Hp, 합토글로빈, 触珠蛋白
Low haptoglobin indicates hemolysis from autoimmune hemolytic anemia, sickle cell crises, or mechanical heart valves. High haptoglobin occurs as an acute-phase response.
Standard range is 30-200 mg/dL. Functional optimal is 50-150 mg/dL. Below 25 mg/dL strongly suggests active hemolysis.