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Cards In This Set
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RED TOP
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Contains: None
Effects on specimen: Blood clots, and the serum is seperated by centrifugation.
Uses: Chemistries, Immunology and Serology Blood Bank (crossmatch)
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RED-GRAY MOTTLED TOP
("TIGER TOP")
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Contains: Serum Separating Tube (SST) with clot activator
Effects on Specimen: Forms clot quickly and seperates the seum with SST gel at the bottom of the tube.
Uses: Blood Type, screening and chemistries
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Gold Top
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Contains: Separating gel and clot activator
Effects on Specimen: Serum Separator tube (SST) contains a gel at the bottom to seperate the blood from serum on centrifugation
Uses: Serology, endocrine, immunology, including HIV
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Light Green Top
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Contains: Plasma Seperating Tube (Na Heparin)
Effects on Specimen: Anticoagulants with lithium heparin. Plasma is separated with PST gel at the bottom of the tube
Uses: Chemistries
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Lavendar/Purple Top
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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.
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Light Blue Top
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Contains: Sodium Citrate (Na Citrate)
Effects on Specimen: Forms calcium salts to remove calcium
Uses: Coagulation tests (PT, PTT, TCT, CMV); tube must be filled 100%
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Dark Green Tops
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Contains: Sodium heparin or litium heparin
Effects on Specimen: Inactivates thrombin and thromboplastin
Uses: Ammonia, lactate, HLA typing
-For lithium level - use sodium heparin
-For ammonia level-use sodium or lithium heparin
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Dark Blue/Royal Blue Top
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Contains: Sodium heparin or NA2 EDTA
Effects on Specimen: Forms calcium salts
-Tube is designed to contain no contaminating metals
Uses: Toxicology and trace element testing (Zinc, Copper, Lead, Mercury) and drug level testing
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Light Gray Top
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Contains: Sodium fluoride and potassium oxalate
Effects on Specimen: Antiglycolytic agent preserves glucose up to 5 days
Uses: For lithium level, use sodium heparin
-Glucoses requires a full draw (may cause hemolysis if short draw)
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Yellow Top
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Contains: ACD (acid-citrate-dextrose)
Effects on Specimen: Complement inactivation
Uses: Paternity testing, DNA studies
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Tan/Brown Top
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Contains: Sodium heparin
Effects on Specimen: Inactivates thrombin and thromboplastin
Uses: Serum lead determination
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Black Top
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Contains: Sodium citrate (buffered)
Effects on Specimen: Forms calcium salts to remove calcium
Uses: Westergren Sedimentation Rate, requires a full draw
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Orange Top
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Contains: Thrombin
Effects on Specimen: Quickly clots blood
Uses: STAT serum chemistries
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