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Hematocrit

Alternative names: HCT, Hct, PCV, Packed Cell Volume

Clinical Summary

MedlinePlus describes hematocrit as the measurement of the proportion of your blood that is made up of red blood cells.

Higher-Than-Range Notes

MedlinePlus notes high hematocrit can be caused by dehydration, lung disease, or living at high altitude.

Lower-Than-Range Notes

MedlinePlus notes low hematocrit is a primary indicator of anemia or vitamin deficiencies.

Commonly Measured Alongside

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General Reference Information: This definition is sourced from public health reference libraries for patient education. It is not intended to substitute professional medical diagnosis, clinical reviews, or treatment plans. Always consult with a qualified health provider regarding your laboratory results.