Free printable PDF

The Order of Draw Cheat Sheet

Every phlebotomist has to know the correct tube sequence cold. Print this reference card, stick it to your kit, and never second-guess additive carryover again.

  • Color-coded, lab-verified sequence
  • Additive and test purpose per tube
  • Designed for print (8.5×11) or phone wallpaper

Order of Draw

1

Yellow

Blood cultures (sterile) — always first

2

Light blue

Sodium citrate — coagulation studies

3

Red / SST gold

Serum — chemistry, serology

4

Green

Heparin — stat chemistry

5

Lavender

EDTA — hematology, CBC

6

Gray

Fluoride oxalate — glucose, lactate

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