Order of Draw (in hindi), Phlebotomy, blood collection, vacutainer, vacutainer tubes

theres a particular order of drawing the blood.
blood is collected
1. blood culture bottle
2. citrate tubes
3. red plain or yellow gel
4. heparin.
5. EDTA.
6. Fluoride.
citrate tubes are to be inverted 3 – 4 times.
they r utilized for hematology investigations.
plain tubes- blood needs to clot, then serum separated.it takes in time.biochemical investigations done from this.

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