Hemoglobin
Alternate Names : Hb, Hgb
DefinitionA hemoglobin test measures the total amount of hemoglobin in the blood. Hemoglobin is almost always ordered as part of a complete blood count (CBC). See also Hemoglobin electrophoresis.
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Why is the Test Performed?
Hemoglobin is the protein that carries oxygen in the blood. It is contained in red blood cells. Both high and low hemoglobin counts indicate defects in the balance of red blood cells in the blood, and may indicate disease.
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