The needle used is a sterile, disposable needle attached to a sterile, disposable syringe. Operator withdraws the needle and transfers sample from the collecting syringe into sterile tubes. Tubes are treated with an anti-coagulant chemical to prevent clotting. If blood is collected from a finger, heel or ear lobe, skin over the selected site is cleaned with an antiseptic. The operator quickly pierces the skin to a shallow depth.
Blood is collected into a capillary pipette.
See Appendix IV for instructions on collecting a urine sample. After the test Immediate post-test care Apply pressure to the puncture site with cotton provided by the laboratory. If vein has been punctured, raise entire arm over head while applying pressure. Some discoloration, soreness or swelling may develop at the venepuncture site. This responds well to moist, warm compresses applied every 2 to 4 hours.