#Hct levels normal range skin#

The red blood cells are then compared to a guide that tells what proportion of your blood they make up. When the test tube is taken out of the centrifuge, it will have settled into three parts:Įach component will settle in a different part of the tube, with the red blood cells moving to the bottom of the tube. A lab specialist will add a special anticoagulant to keep your blood from clotting. In the laboratory, your hematocrit is evaluated using a centrifuge, which is a machine that spins at a high rate to cause the contents of your blood to separate. Your sample will be sent to a lab for analysis. The test will take only a few minutes, and you can resume everyday activities after it’s finished. You may experience minor bruising, but this will clear up within a few days.

Some people also feel faint or lightheaded when they see blood. In men, mean 95 confidence interval CI) IOP values by hematocrit level were as. When the needle punctures your skin, you might feel a prick or pinching sensation. Normal-range hematocrit for men was 42 to 52 and 37 to 47 for women. A blood test can be slightly uncomfortable. The technician will remove the elastic band and cover the area with a bandage to stop the bleeding. They’ll then insert a needle in the vein and collect a blood sample in one or more vials.

#Hct levels normal range skin#

The technician will clean the surface of your skin with an antiseptic and place an elastic band, or tourniquet, around your upper arm to help the vein swell with blood.

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. Reference Range: Hematocrit 0 to 30 days 30 days to 6 months 6 months to 2 years 2 to 6 years 6 to 12 years 12 to 18 years 18 to 150 years 31.0 to 55. 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.