Small-volume tubes (1.8 to 3.5 mL), which are designed to draw about 50% less than standard-volume tubes (4 to 6 mL) by using less vacuum strength, are of the same size and cost as standard-volume ...

During venipuncture (blood draw), the phlebotomist (blood collector) inserts a needle through the skin into a vein and a small amount of blood is collected and transferred into a test tube.

Unlike with a traditional blood draw, the patient does not see the needle go into the arm nor the tubes of blood. The process takes about two minutes and has a 95% success rate on the first attempt.

CHICAGO — The practice of drawing blood has changed very little over the decades. It looks about the same now as it did 50 years ago. That process, however, may be about to get a modern makeover ...

Phlebotomy is when someone uses a needle to take blood from your vein. It’s also called a blood draw or venipuncture. WebMD explains the process, risks, and side effects.

Using small-volume rather than standard-volume collection tubes to draw blood for laboratory testing may reduce the incidence of anemia and the need for red blood cell (RBC) transfusion in intensive ...