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Wk5 phlebotomy

Tubes

QuestionAnswer
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
Created by: blood guy
 

 



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