Packed cell volume (PCV)

Definition

Packed cell volume (PCV), also known as hematocrit, is the percentage of red blood cells in a given volume of blood. It measures the proportion of blood that consists of red blood cells after centrifugation separates them from plasma.

Related terms

Hematocrit:

The ratio of the volume of red blood cells to the total volume of blood, expressed as a percentage.

Red Blood Cells (RBCs): Biconcave cells that carry oxygen throughout the body and are a major component measured by PCV.

Plasma:

The liquid component of blood in which red blood cells, white blood cells, and platelets are suspended