If the hematocrit test is part of a CBC, a lab technician will draw blood from a vein, typically from the inside of your elbow or from the back of your hand.
This blood can be drawn from a finger prick or taken from a vein in your arm.
Blood sampleĪ medical provider will need a small sample of blood to test your hematocrit. Afterward, it will be sent to a laboratory for evaluation.
