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Order of Draw Tubes
Phlebotomy Common Venipuncture Order of Draw
Tube Color | Additive | Test |
---|---|---|
Yellow (can change order) | SPS (sterile) or ACD (non-sterile, last) | HLA B Typing |
Light Blue | Sodium citrate | PT/INR |
Red (glass) | None | Creatine |
Red (plastic) | Clot activator | Amylase |
Red + Black (tiger) or Gold | Clot activator + gel | Electrolytes |
Orange | Thrombin | Blood culture |
Light green | Lithium heparin + gel | CMP |
Green | Lithium heparin or sodium heparin | T-spot TB |
Lavender | Liquid K3 EDTA (glass) or spray-coated K2 EDTA (plastic) | CBC |
Pink | Spray-coated K2 EDTA | DAT |
Tan | K2 EDTA | Lead |
Pearl (white) | K2 EDTA + gel separator | Hep. C Viral Load |
Gray | Potassium oxalate & sodium fluoride or sodium fluoride & EDTA or sodium fluoride | alcohol, isopropyl |
Clear (can change order) | None | PT/INR |
Royal blue (can change order) | None or EDTA or heparin or clot activator | Zinc |