Ch 8 Tubes Flashcards
Yellow tubes
Blood cultures
Additive- sodium polyanethanol sulfonate (sps)- micro
Order of draw
1. Yellow- blood cultures (Dummy) red- 2. Blue- plasma 3. Red- serum Red gray- serum 4. Green/green gray- plasma 5. Purple- plasma or whole blood 6. Gray- plasma or whole blood
Light blue
Plasma
Additive- sodium citrate 3.2 or 3.8
Coagulation
Red
Serum
No anticoagulant or polymer barrier- blood will clot
Serum
Green
Plasma or whole blood
Anticoagulant- sodium heparin, ammonium heparin, and lithium heparin
Chemistry
Purple
Plasma or whole blood
EDTA additive
Hematology- CBC, RBCs, WBC, platelet count, hematocrit, differentials, hemoglobin
Gray
Plasma/whole blood
Fluoride additive
Chemistry- glycolytic inhibition test
Royal blue
Trace elements
Toxicology, nutritional element, therapeutic drug monitoring
EDTA
Prevent coag of blood. Removes calcium and forms insoluble calcium salts.
Cannot be used in calcium determinations