Laboratory Procedure
hematocrit
he·mat·o·crit [ hi-mat-uh-krit ]
Subclass of:
Hematologic Tests;
Hemorheology
Etymology:
Greek haima = blood + krino = I separate
Definitions related to hematocrit procedure:
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(hct) The percentage of a whole blood specimen that is composed of red blood cells (erythrocytes).CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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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.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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(hematocrit measurement) A measure of the volume of red blood cells expressed as a percentage of the total blood volume. Normal in males is 43-49%, in females 37-43%.NCI ThesaurusU.S. National Cancer Institute, 2021
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The reference range varies depending on the methodology used. Normal ranges should be validated by individual clinical laboratories.WebMD, 2019
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Hematocrit, diagnostic procedure for the analysis of blood. The name is also used for the apparatus in which this procedure is performed and for the results of the analysis. In the procedure, an anticoagulant is added to a blood sample held in a calibrated tube. The tube is allowed to stand for one...Encyclopedia Britannica, Inc., 2020
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