Additives
Basic Order of Draw
Tests
General
Other Tube Colors
100
The additive for the purple top tube.
What is K2EDTA
100

This color tube is first in the EDTA in the basic order of draw.

What is Purple/lavender.

100
CBC, CBC with differential and hematology are some of the tests taken with this color tube.
What is Lavender/ purple.
100
These come in both aerobic and anaerobic types.
What is blood culture bottles.
100
Used for blood donation.
What is Pink topped tubes.
200
The additive for the light blue tube.
What is sodium citrate
200
This tube color is 2nd in the basic order of draw.
What is Light blue.
200
DNA and paternity are tests taken with this color tube.
What is yellow.
200
Red/ red tiger/ gold topped tubes utilize this type of blood.
What is Serum.
200
Used for ESR (Erythrocyte Sedimentation Rate).
What is black topped tube
300
Sodium fluoride and potassium oxalate are additives for this color tube.
What is Gray
300
This color tube is last in the basic order of draw.
What is gray.
300
Glucose studies and blood alcohol levels are tested with this color tube.
What is gray.
300
Green and gray tubes use this type of blood.
What is plasma.
300
The tan tube is used to test for this.
What is lead.
400
This color tube top has no additive.
What is red.
400
This tube color is first in the basic order of draw.
What is yellow/ blood cultures.
400
Infectious diseases, serum chemistry and cholesterol are tested with this color tube?
What is red, gold, red tiger
400
This color tube uses whole blood.
What is purple/ lavender.
400
Used for toxicology testing.
What is royal blue tube.
500
This color tube comes with or without gel serum separator or spray coating (fibrin).
What is Red Tiger/ Gold
500

Green/ light green/ green tiger 

What color is the heparin tubes? 

500
Green topped tubes are used for this type of test.
What is BMP & CMP.
500
This is the angle you use when collecting blood.
What is 30 degrees.
500
The pink tube is drawn at the same time as this tube in the basic order of draw.
What is Lavender (both have K2EDTA).
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