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Tube Top Colors

Contains: Effect on specimen: and Uses:

Red Top Contains: None Effects on Specimen: Blood clots, and the serum is separated by centrifugation Uses: Chemistries, Immunology and Serology, Blood Bank (Crossmatch)
Red-Gray Mottled Top (Tiger Top) Contains: Serum Separating Tube(SST)with clot activator Effects on Specimen: Forms clot quickly and separates the serum with SST gel at the bottom of the tube
Gold Top Contains: Separating gel and clot activator Effects on specimen: Serum separator tube(SST)contains a gel serum on centrifugation Uses:Serology, endodrine, immunology, including HIV
Light Green Top Contains: Plasma Separating Tube(Na Heparin) Effects on specimen: Anticoagulants with lithium heparin: plasma is separated with PST gel at the botton of the tube. Uses: Chemistries
Lavender/Purple Top Contains: EDTA(liquid form) Effects on Specimen: Forms calcium salts to remove calcium Uses: Hematology (CBC) and Blood Bank (Crossmatch); requires a full draw-invert 8 times to prevent clotting and platelet clumping.
Light Blue Top Contains: Sodium citrate(Na Citrate) Effects on Speciment: Form calcium salts to remove calcium Uses: Coagulation test (PT,PTT,TCT,CMV), tube must be filled 100%
Dark Green Top Contains: Sodium heparin or lithium heparin Effects of Specimen: Inactivates thrombin and thromboplastin Uses: Ammonia,lactate,HLA typing For lithium level, use sodium heparin For ammonia level, use sodium or lithium heparin
Yellow Top Contains: ACD (acid-citrate-dextose) Effects on specimen: Complement inactivation Uses: Paternity testing, DNA studies
Dark Blue/Royal Blue Top Contains: Sodium heparin or Na2 EDTA Effects on specimen: Forms calcium salts Tube is designed to contain no contamination metals Uses: Toxicology and trace elements testing (zinc,copper,lead,mercury) and drug level testing
Light Gray Top Contains: Sodium fluoride and patassium oxalate Effects on specimen: Anticolytic agent preseves glucose up to 5 days Uses: For lithium level, uses sodium heparin Glucoses requires a full draw( may cause hemolysis if short draw)
Tan/Brown Top Contains: Sodium heparin Effects on specimen: Inactivates thrombin and thromboplastin. Uses: Serum lead determination
Black Top Contains: Sodium citrate(buffered) Effects on specimen: Forms calcium salts to remove calcium Uses: Westergren Sedimentation Rate; requires a full draw
Orange Top Contains: Thrombin Effects on specimen: Quickly clots blood Uses: STAT serum chemistries
Created by: Preciousj151



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