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Tube Tops

MedLab tube tops

Top colorADDITIVEUses
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
Created by: Coolguymatt