Additives
Color Tops
Departments
Type of Tests
100

What additive does a Pink/Purple top tube contain?

What is EDTA

100

 What is the very first tube to be drawn?

What is Blood Culture

100

What department does PINK/EDTA tubes go to?

What is Blood Bank

100

What type of test(s) are conducted with a blue top (Sodium Citrate) tube?

What is… PTT/PT (coagulation)

200

 What additive does a light blue top tube contain?

What is Sodium Citrate

200

What is the last tube to be drawn?

What is Royal Blue

200

 What department does LAVENDER/EDTA tubes go to?

 What is Hematology

200

 What kind of test(s) are conducted with a lavender top (EDTA) tube?

 What is… CBC

300

 What additive does a Green top tube have?

What is Heparin

300

What color tube comes after Pink?

What is Gray

300

What department do Green/Heparin tubes go to?

What is  Chemistry

300

What kind of test(s) are conducted with a green top (Heparin) tube? 



What is… Blood Ammonia, Blood Gases

400

What additive does Gray top tube have?

What is Sodium Fluoride

400

 Which blood culture tube is drawn first?

Anaerobic

400

What department do RST/Gold/Orange tubes go to?

What is Chemistry

400

What kind of test(s) are conducted with a gray top (Sodium Fluoride) tube?

 What is… Blood Glucose, Blood Alcohol, Lactic Acid

500

What additive does a Blood Culture tube contain?

What is sodium polyanethole sulfonate

500

What color blood tube comes after Rapid Serum Tubes (Gold/Orange)

 What is Green

500

What department do blood cultures go to?

What is Serology

500

 What kind of test(s) are conducted with a Red/Tiger top (may contain no additive or clot activator) tube?

What is… Routine Chemistry, Immunology

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