Capillary Tube Blood Draw. Capillary blood sampling is an essential method of blood collection performed by medical professionals of all skill levels and disciplines with diverse titles such as phlebotomist patient care technician medical assistant nurse lab assistant lab tech med tech and many others. It contains a clot activator.
The blood sample is collected in a plastic vacuum tube labeled with the patients information and then spun in a centrifuge within 30 minutes of the draw. Filter paper should touch only the blood and not the heel or finger. It contains a rapid clot activator known as thrombin.
Blood Draw Order Tube ColorDescription ShowHide All.
Capillary blood sampling is a medical procedure aimed at assisting in patient diagnosis management and treatment and is increasingly used worldwide in part because of the increasing availability of point-of-care testing. SAFE-T-FILL collection tubes use capillary action to draw the blood into the capillary straw where it is immediately mixed with anti-coagulant. Tubes with orange or grayyellow tops are used to test serum that is needed right away. Steps for Collecting Finger Stick Capillary Blood Using a Microtainer Created Date.
