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Med lab Morera

Blood tubes and tops

Color TopAdditiveUses
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)
Created by: ArielNelson