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What is "MCH" in a blood test?

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Quick Answer

Mean corpuscular hemoglobin (MCH), according to MedlinePlus, is the measure of the hemoglobin content of red blood cells. Hemoglobin, found within the red blood cells, transports oxygen from the lungs to the rest of the body. The normal range for MCH is 27 to 31 picograms per cell. More than 31 picograms per cell is hyperchromic anemia, while less than 27 picograms per cell is hypochromic anemia.

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What is "MCH" in a blood test?
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Full Answer

MedlinePlus states the causes of hypochromic anemia include iron deficiency, lead poisoning, thalassemia and inflammation, while the causes of hyperchromic anemia include chemotherapy as well as folate and vitamin B12 deficiencies. MCH measures are one third of the red blood cell indices. The average red blood cell size, also known as mean corpuscular volume (MCV), and another hemoglobin measure, the mean corpuscular hemoglobin concentration (MCHC), make up the other two thirds of the red blood cell indices.

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