Order of draw

Tube color What is in it and what tests Yellow Tube Additives are: Sodium polyanetholesulfonate (SPS) and ACD ACD is a red cell preservative. Blood banking, human leukocyte, antigens, Phenotyping, paternity testing RED tube No additive – for serum testing – chemistry and serology depts Light Blue Additive: Sodium Citrate (PPT, PTT tests, fibinogen, fibring split) RATIO of 9:1 ** FOR coagulation studies and the will be rejected if not filled RED plastic Silica additive, For chemistry and serology Red/Gray, GOLD has a CLOT activator and a gel (thixotropic gel) Also called SST's Green These are the heparin tubes! lithium heparin. Also may contain Ammonium heparin and sodium heparin. Tests: electrolytes… Light Green lithium Heparin and gel PST's (plasma separator tubes)— test for potassium…. Lavender EDTA Tests: CBC, hemoglobin, A1C, HgB, WBC, RBC Gray potassium oxalate/sodium fluoride.
Contains 'antiglycolytic agents'
For: Glucose, alcohol, lactic acid and lactose

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