Clarilab

Blood count

Hematocrit (HCT/PCV) test

Also called HCT, PCV, packed cell volume

The share of your blood made up of red cells.

Typical range
Women 36–46%, men 41–53%.
Usual recheck
About 1 month when out of range

Why it's done

Part of the CBC. A rising value is watched in dengue (a sign of fluid leaking from vessels).

What a high result can mean

Dehydration or high red cell production.

What a low result can mean

Anaemia or blood loss.

Got a report with Hematocrit (HCT/PCV)?

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More blood count tests

Complete blood count (CBC)Counts your red cells, white cells and platelets, and measures haemoglobin. HemoglobinThe protein in red blood cells that carries oxygen. White blood cellsThe cells that fight infection. PlateletsCell fragments that help blood clot. Red blood cellsThe number of oxygen-carrying red cells. MCVThe average size of your red cells.