Hematocrit: A measurement of blood. A normal reading would be 36% - 46%.


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Hematocrit: The volume of packed Red Blood Cells in a blood specimen. The volume is measured by centrifugation in a tube with graduated markings, or with automated blood cell counters. It is an indicator of erythrocyte status in disease. For example, Anemia shows a low value; Polycythemia, a high value.2

Disease and Condition Articles

Read about these related conditions and diseases:

  • Polycythemia: Polycythemia is an excess of red blood cells in the blood. It is similar to “hematocrit” (measurements), but is the opposite of anemia, which has too few red blood cells ...

      ... More on Polycythemia  »

Related Disease and Condition Topics

Read about these diseases and medical conditions related to Hematocrit:

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  1. Source: RDCRN (NCATS/NIH): rarediseasesnetwork.org/ cms/ bvmc/ Learn-More/ Glossary
  2. Source: MeSH (U.S. National Library of Medicine)

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