♥ It does matter what order you fill up your tubes. Usually the light blue tube is collected first as the anti-coagulation factors in other tubes can contaminate the the needle and transfer to the light blue tube and then could effect the clotting factor results.
*Consult your instructor and policy & procedure manual before preforming any nursing procedures. Slight differences may exist between this resource and your institution’s desired method.
© 2006-2007 PocketSnips. Video: Venipuncture. Reproduced with permission from the PocketSnips website (http://www.pocketsnips.org). The video is not a substitute for medical advice.