| A | B |
|---|
| Lavender EDTA | Whole blood for hematology tests |
| Light-blue Na Citrate | Plasma for coagulation tests |
| Red/gray Clot activator and thixotropic gel | Serum separator tube for chemistry tests |
| Gold Clot activator and gel | Serum separator tube for chemistry tests |
| Green Sodium heparin, lithium heparin, or ammonium heparin | Plasma chemistry tests |
| Red, clot activator | Serum for tests in chemistry, blood bank, and serology |
| Yellow/gray Thrombin | STAT serum chemistry tests |
| Orange Thrombin | STAT serum chemistry tests |
| Gray Potassium oxalate/sodium fluoride | Glucose Tests |
| Dark-blue EDTA, or none | Trace elements, toxicology, and nutrient analysis |
| Tan EDTA | Lead determinations |
| Yellow SPS | Blood cultures |
| Pink EDTA | Whole blood for routine immunohematology testing and blood donor screening |
| Light Green, lithium heparin and gel for plasma separation | Plasma separator tube for chemistry tests |
| Red, GLASS TUBE, no additive | Serum chemistry tests |
