Phlebotomy is when someone uses a needle to take blood from a vein, usually in your arm. Also called a blood draw or venipuncture, it’s an important tool for diagnosing many medical conditions.

Phlebotomy refers to drawing blood from a person’s vein with a needle. Lab tests on blood samples are important as they measure different blood components and provide information that can lead ...

However, obtaining a blood sample involves more than just inserting a needle. This article takes an in-depth look at what phlebotomists do, where they work, and how to become one. Phlebotomy is ...