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PhlebotomyTubies
Tube Top Color | Additive | Mode of Action | Uses |
---|---|---|---|
Red | None | Blood clots, and the serum is separted by centrifugation | chemistries, immunology, serology, and blood bank (crossmatch, blood typing) |
Purple | EDTA | Forms calcium salts to remove calcium | Hematology (CBC) and Blood Bank (Crossmatch); (FULL DRAW REQUIRED) |
Light Green | Plasma Separating Tube (PST) with Lithium heparin | Anticoagulates with lithium heparin; Plasma is separated with PST gel at the bottom of the tube | Chemistries |
Gold | None | Serum Separator tube (SST) contains a gel at the bottom to separate blood from serum on centrifugation | Chemistries, Immunology and Serology |
Dark Blue | EDTA | Tube is designed to contain no contaminating metals | Trace element testing(zinc, copper, lead, mercury) and toxicology |
Light Gray | Sodium flouride and potassium oxalate | Antiglycolytic agent preserves glucose up to 5 days | Glucoses (FULL DRAW REQUIRED) or hemolysis may occur |
Yellow | ACD(acid citrate-dextrose) | complement inactivation | HLA tissue typing, paternity testing, DNA studies |
Yellow-Black | Broth mixture | preserves viability of microorganisms | microbiology - aerobes, anerobes, fungi |
Black | sodium citrate(buffered) | forms calcium salts to remove cal | Westergren Sedimentation Rate(FULL DRAW REQUIRED) |
Orange | Thrombin | quickly clots blood | STAT serum chemistries |
Light Brown | Sodium heparin | Inactivates thrombin and thromboplastin; contains virtually no lead | serum lead detection |
Pink | Potassium EDTA | forms calcium salts | Immunohematology |
White | Potassium EDTA | Forms calcium salts | Molecular/PCR and bDNA testing |
Green | Sodium heparin or Lithium heparin | inactivates thrombin and thromboplastin | For litium level, use sodium heparin. For ammonia level, use sodium or lithium heparin. HPV. |
Light Blue | Sodium citrate | Forms calcium salts to remove calcium | Coagulation tests - protime and prothrombin time (FULL DRAW REQUIRED) |