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Medical (tubes)
Color tubes with adative (tops)
| Tops | Additive | Uses |
|---|---|---|
| Gold | none | Chemistries,Immunology, and Serology |
| Green | Sodium heparin or lithium heparin | For lithium level, use sodium heparin. For ammonia level, use sodium or lithium heparin, HPV |
| Yellow-Black | Broth mixture | Microbiology-aerobes,anaerobes,fungi |
| Light Gray | Sodium floride and potassium oxalate | Glucoses, requires full darw(may cause hemolysis if short draw) |
| Drak Blue | EDTA- | Trace element testing (zinc,copper,lead,mercury)and toxicology |
| Orange | Thrombin | STAT serum chemistries |
| Black | Sodium citrate(buffered) | Westergren Sedimentation Rate; requires full draw |
| Yellow | ACD(acid-citrate-dextrose) | HLA tissue typing, paternity testing, DNA studies |
| Brown | Sodium heparin | Serum lead determination |
| Light Green | Plasma Separating Tube(PST) with Lithium heparin | Chemistries |
| Pink | Potassium EDTA | Molecular/viral load testing |
| Light Blue | Sodium citrate | Coagulation tests(protime and prothrombin time), full draw required |
| Purple | EDTA | Hematology(CBC)and Blood Bank (crossmatch);requires full draw-invert 8 times to prevent clotting and platelet clumping |
| Red | None | Chemistries,Imunology, and Serology, Blood Bank (Crossmatch) |