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