Haptoglobin: Normal, Low, High

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Haptoglobin is a protein that carries oxygen. Haptoglobin Test measures the level of the protein to diagnose hemolytic anemia. Since the test is not specific and the diagnosis complicated, the test result is often interpreted along with results of other tests.

Reference Range:

The normal range is 41 to 165 milligrams per deciliter (mg/dL) or 410 to 1,650 milligrams per liter (mg/L).

What Does the Result Indicate?

Normal: A result in the reference range is good news. However, it may indicate differently when interpreted with results of other tests.

Low: Low levels of haptoglobin are caused by active destruction of red blood cells. This kind of result suggests that there may be immune hemolytic anemia.

High: A higher than normal result may be due to other problems, such as joint or muscle inflammation.

 

Keywords: Haptoglobin; Hemoglobin-binding Protein; Hp; HPT

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