blue top tube
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
blue top tubeClinical chemistry A 5 ml tube with sodium citrate as an anticoagulant, used to collect specimens for coagulation factor assays, fibrinogen, glucose-6-phosphate dehydrogenase, PTT, PT, thrombin time
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.