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