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From , former About.com Guide

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ENCYCLOPEDIA INDEX
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Hematocrit (HCT)

Overview Risks Results
Alternative Names:
HCT
Normal Values:
Hematocrit (varies with altitude):
  • Male: 40.7-50.3%
  • Female: 36.1-44.3%
What abnormal results mean:
Low hematocrit may indicate:
  • anemia (various types)
  • blood loss (hemorrhage)
  • bone marrow failure (e.g., due to radiation, toxin, fibrosis, tumor)
  • destruction of red blood cells
  • leukemia
  • malnutrition or specific nutritional deficiency
  • multiple myeloma
  • rheumatoid arthritis
High hematocrit may indicate:

This test may be performed under many other conditions and in the assessment of many disease states.

Formed elements of blood
Formed elements of blood
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