Additives
Tests
Misc.
100

What is the additive in the Light Blue tube?

Sodium Citrate

100

What is the Red tube used to test?

Serum Determinations in Chemistry OR CBC

100

What is a vacutainer tube?

A tube with a small vacuum used to draw blood

200

What is the additive in the Red top tube?

Silicone or None

200

What is the green top tube used to test for?

Plasma Determinations in Chemistry

200

What is Thixotropin Gel?

A polymer gel used to separate blood cells and serum

300

What is the additive in the Lavender top tube?

K2 EDTA

300

What is the lavender top tube used to test for?

Whole Blood Hematology OR CMP (Comprehensive Metabolic Panels)

300

What is EDTA?

An anticoagulant used in blood draws

400

What is the additive in the Light green tube?

Lithium Heparin

400

What is the Tan tube used to test for?

Lead Determinations

400

If a pt on Warfarin is getting a blood draw, what test & tube would the physician order?

The tube: Light Green

The test: Plasma Determination in coagulation therapy 

500

What is the additive in the Yellow top tube?

Sodium Polyanethol sulfonate 

500

What is the red/light gray tiger top tube used to test for?

Nothing, it's a clearing tube

500

What is the COMPLETE Order of Draw?

Yellow (Sterile)
Light Blue
Tiger Top (SST), red top/gold or Orange top
Light green, tiger top green or Green
Lavender top or Pink top
White top
Gray top

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