The phlebotomist had difficulty getting an EDTA tube for a CBC and sed rate. Two underfilled tubes were collected. The phlebotomist should The phlebotomist had difficulty getting an EDTA tube for a CBC and sed rate. Two underfilled tubes were collected. The phlebotomist should take to the lab to see if they QNS the specimens. perform a dermal puncture. reject at bedside and redraw the patient. mix the two tube volumes to get one full tube.