What is the order of draw for capillary blood specimens?
What is the order of draw for capillary blood specimens? The order of draw is based on CLSI Procedures and Devices for the Collection of Capillary Blood Specimens; Approved Standard - Sixth Edition, September 2008. This standard recommends that EDTA tubes be drawn first to ensure good quality specimen, followed by other additive tubes and finally, serum specimen tubes. In what order should blood tubes be drawn? The recommended order of draw for plastic collection tubes is:First - blood culture bottle or tube (yellow or yellow-black top)Second - coagulation tube (light blue top). Third - non-additive tube (red top)Last draw...