Tubes

Question 1

what is the order of draw

Answer 1

• Yellow
  -Light Blue
  -Red
  -Green
  -Lavender
  -Gray

Question 2

Laboratory use for each tube

Answer 2

Yellow- Blood culture
Light Blue- Coagulation testing
Red- Serum test, chemistry studies, immunology
Green- Chemistry test
Lavender- CBC/ Hematology test
Gray-glucose & alcohol levels

Question 3

Additives for each colored tube

Answer 3

Yellow- Sodium Polyanethol sulfonate; prevents blood from clotting
Light Blue- Sodium Nitrate
Red-None
Green- Heparin
(Green/gray Marble) - Lithium Heparin
Lavendar- EDTA
Gray- Potassium oxalate & sodium fluoride