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Tubes & Additives
Key Common Stopper Colors, Additives, Sample Type, & Departments
Stopper Color | Additive | Sample Type | Department |
---|---|---|---|
Light Blue | Sodium citrate | Plasma | Coagulation |
Red (glass) | None | Serum | Chemistry, blood bank. serology/immunology |
Red (plastic) | Clot activator | Serum | Chemistry |
Red/Black (tiger) & Gold | Clot activator + gel | Serum | Chemistry |
Light Green | Lithium heparin + gel separator | Plasma | Chemistry |
Green | Lithium heparin or Sodium heparin | Plasma or whole blood | Chemistry |
Lavender | Liquid K3 EDTA (glass) or spray-coated K2 EDTA (plastic) | Whole blood | Hematology |
Pink | Spray-coated K2 EDTA | Whole blood | Blood bank |
Gray | Potassium oxalate & sodium fluoride or EDTA & sodium fluoride or sodium fluoride | Plasma or whole blood or serum | Chemistry |
Orange | Thrombin | Serum | Chemistry |
Royal blue | None or clot activator or K2 EDTA or heparin | Plasma or whole blood or serum | Chemistry |
Tan | K2 EDTA | Plasma or whole blood | Chemistry |
Yellow | SPS (sterile) or ACD (nonsterile) | Plasma or whole blood | Blood bank/immunohematology |
Pearl (white) | K2 EDTA + gel separator | Plasma | Serology/immunology |
Clear | None | Serum | N/A |