| Front | Back | 
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								RED TOP									 | 
								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")									 | 
								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									 | 
								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									 | 
								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									 | 
								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									 | 
								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									 | 
								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									 | 
								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									 | 
								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									 | 
								Contains: ACD (acid-citrate-dextrose)
Effects on Specimen: Complement inactivation
Uses: Paternity testing, DNA studies									 | 
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								Tan/Brown Top									 | 
								Contains: Sodium heparin
Effects on Specimen: Inactivates thrombin and thromboplastin
Uses: Serum lead determination									 | 
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								Black Top									 | 
								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									 | 
								Contains: Thrombin
Effects on Specimen: Quickly clots blood
Uses: STAT serum chemistries									 |