04/01/2026
๐๐โ๐ ๐ป๐ผ๐ ๐ท๐๐๐ ๐ฎ ๐ฐ๐ต๐ฒ๐ฐ๐ธ๐น๐ถ๐๐. ๐๐โ๐ ๐ฝ๐ฎ๐๐ถ๐ฒ๐ป๐ ๐๐ฎ๐ณ๐ฒ๐๐. ๐ฉธ
The "Order of Draw" is one of the first things taught in phlebotomy, but itโs easy to forget why it matters so much when you're busy in the field. It isn't just a random sequence to memorizeโit's a critical guardrail against additive carryover.
Swipe through to see what happens when the sequence is missed:
๐ง๐ต๐ฒ ๐๐ผ๐บ๐ถ๐ป๐ผ ๐๐ณ๐ณ๐ฒ๐ฐ๐: Drawing a Lavender (EDTA) tube before a Green or Serum tube can carry over potassium, leading to a falsely elevated lab result.
๐ง๐ต๐ฒ ๐ฅ๐ถ๐๐ธ: A doctor viewing those results might make a critical treatment decision based on a "panic value" that doesn't actually exist in the patient's body.
๐๐น๐๐ฎ๐๐ ๐๐๐ถ๐ฐ๐ธ ๐๐ผ ๐๐ต๐ฒ ๐๐ฒ๐พ๐๐ฒ๐ป๐ฐ๐ฒ:
1๏ธโฃ Blood Cultures (Sterile)
2๏ธโฃ Light Blue
3๏ธโฃ Serum (Red/Gold)
4๏ธโฃ Green
5๏ธโฃ Lavender
6๏ธโฃ Gray
Letโs protect our results and our patients!