Blood Count
Hematocrit
The proportion of blood made up of red blood cells.
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About this biomarker
Hematocrit reflects the percentage of blood volume occupied by red blood cells. It is usually interpreted with hemoglobin and other CBC markers.
Why it matters
It adds context for anemia, dehydration, and red blood cell disorders.
What lower levels may suggest
Low hematocrit may suggest anemia, blood loss, or overhydration.
What higher levels may suggest
High hematocrit may be seen with dehydration, chronic low oxygen states, or certain blood disorders.
Common tests
Complete blood count, CBC
Related biomarkers
Your trend
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