Sterile, disposable equipment prevents contamination or spread of infection. There is no risk of becoming infected with the hepatitis virus, AIDS virus or any other infecting germ. A small amount of blood is collected from the infant's heel. This procedure is safe and is performed quickly. Skin over selected site on heel is cleaned with an antiseptic.
Operator quickly pierces the skin to a shallow depth, using a sterile, disposable metal lancet.
Blood is collected into a capillary tube. After the test Immediate post-test care Apply pressure to the puncture site with cotton provided by the laboratory. Activity after test Return to pretest activities right away. Use warm compresses if blood collects under the puncture site or if the area becomes tender, red or painful. Resume normal diet.