Phlebotomy Order of Draw, Drawn in 15 Seconds 🩸 #Shorts
Oct 25, 2026
Blood cultures → light blue (citrate) → red/gold SST (serum) → green/light green (heparin) → lavender (EDTA) → gray (fluoride/oxalate).
Mnemonic: Stop Light Red Stay Put Green Light Go.
Free phlebotomy (NHA CPT) practice questions, cheat sheet and flashcards:
https://open-exam-prep.com/practice/phlebotomy
Order of draw per CLSI GP41.
#Phlebotomy #OrderOfDraw #PhlebotomyTech #Shorts
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