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Order of draw
Color | Additive | Function of additive | Common test | Lab section | Inversions |
---|---|---|---|---|---|
yellow (BC) | SPS | Micro growth | Blood cultures | Microbiology | 8-10 |
Light blue | Na nitrate | Binds calcium | Coagulation PT PTT INR | Coagulation | 3-4 |
Red/Gold/Tiger | Thrombin Gel barrier Clot activator | Clots | Uric acid Cortisol CMP BUN FSH, LH thyroid Lipid Troponin | Chemistry Serology Immunology | 5-6 |
Orange | Thrombin Gel barrier Clot activator | RST | Uric acid Cortisol CMP BUN FSH, LH Thyroid Lipid Troponin Electrolytes Drug levels | Chemistry | 5-6 |
Green | Heparin | Inhibits thrombin | Ammonia Lipid Hepatic panel Therapeutic drug | Chemistry | 8-10 |
Lavender | EDTA | Binds calcium | CBC ESR HGB HCT H&H sickle cell | Hematology | 8-10 |
Pink | EDTA | Binds calcium | Antibody screen Cross match Type&screen Type&RH | Blood bank | 8-10 |
Gray | Sodium oxlate Potassium flouride | Binds calcium Prevents glycolysis | Glucose GTT BAC ethanol Lactic acid | Chemistry | 8-10 |
Light yellow ACD | ACD | Preserves RBCs | Genetics DNA Phenotyping Platlet studies | Genetics | 8-10 |
Royal blue | Lavender strip No strip Green strip Red strip | Trace elements Aluminum Zinc Toxicology studies Nutritional studies | Chemistry | 8-10 |