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Wk5 phlebotomy
Tubes
Question | Answer |
---|---|
Dark Blue top | Additive:Sodium EDTA designed to contain no contaminating metals Uses:Trace element testing (zinc,copper,lead,mercury) and toxicology |
Light gray top | Additive:Sodium fluoride and potassium oxalate Mode of action:Antiglycotic agent preserves glucose up to 5 days Uses:for lithium level, use sodium heparin Glucoses, requires full draw (short draw may cause hemolysis) |
Yellow top | Additive:ACD (acid-citrate-dextrose) Mode of action:Complement inactivation |
Yellow Black top | Additive:Broth mixture Mode of action:Preserves viability of microorganisms Uses:Microbiology-aerobes, anaerobes, fungi |
Black top | Additive:Sodium citrate (buffered) Mode of action:Forms calcium salts to remove calcium Uses:Westergren sedimentation rate; requires full draw |
Orange top | Additive:Thrombin Mode of action:Quickly clots blood Uses:STAT serum chemistries |
Brown top | Additive:Sodium heparin Mode of action:Inactivates thrombin and thromboplastin Uses:Serum lead determination |
Purple top | Additive:EDTA liquid Mode of action:Forms calcium salts to remove calcium Uses:Hematology (CBC) and Blood Bank (Crossmatch); requires full draw - invert 8 times to prevent clotting and platelet clumping |
Light Blue | Additive:Sodium citrate Mode of action: Forms calcium salts to remove calcium Uses:Coagulation test (protime and prothrombin) Full draw required |
Dark green top | Additive:Sodium heparin or lithium heparin Mode of action:Inactivates thrombin and thromboplastin Uses:For lithium level, Use sodium heparin. For ammonia level, use sodium or lithium heparin |
Red top | Additive:None Mode of action: Blood clots, and the serum is separated by centerfugation Uses:Chemistries, Immunology and Serology, Blood bank (Crossmatch) |
Gold top | Additive:None Mode of action:Serum separator tube (SST)contains a gel at the bottom to separate blood form serum on centrifugation Uses:Chemistries, Immunology and Serology |
Light Green Top | Additive:Plasma separating tube (PST)with lithium heparin Mode of action:Anticoagulates with lithium heparin;Plasma is separated with PST gel at the bottom of the tube Uses:Chemistries |
Red-Gray tube | Additive:Serum separating tube (SST) with clot activator |