Review of Order of Draw

BELOW ARE SOME OF THE COLLECTION TUBES THAT ARE USED FOR PHLEBOTOMY.  THIS IS NOT THE ORDER OF DRAW!!!!!! JUST A REVIEW OF THE TUBES

 

COLLECTION TUBES FOR PHLEBOTOMY

 

Red Top
ADDITIVE None
MODE OF ACTION Blood clots, and the serum is separated by centrifugation
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 from 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
Purple Top
ADDITIVE EDTA
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 Top
ADDITIVE Sodium citrate
MODE OF ACTION Forms calcium salts to remove calcium
USES Coagulation tests (protime and prothrombin time), full draw required
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
Dark Blue Top
ADDITIVE EDTA-
MODE OF ACTION Tube is 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 Antiglycolytic agent preserves glucose up to 5 days
USES Glucoses, requires full draw (may cause hemolysis if short draw)
Yellow Top
ADDITIVE ACD (acid-citrate-dextrose)
MODE OF ACTION Complement inactivation
USES HLA tissue typing, paternity testing, DNA studies
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
Light Brown Top
ADDITIVE Sodium heparin
MODE OF ACTION Inactivates thrombin and thromboplastin; contains virtually no lead
USES Serum lead determination
Pink Top
ADDITIVE Potassium EDTA
MODE OF ACTION Forms calcium salts
USES Immunohematology
White Top
ADDITIVE Potassium EDTA
MODE OF ACTION Forms calcium salts
USES Molecular/PCR and bDNA testing

 


 

References

Kiechle FL. So You’re Going to Collect a Blood Specimen: An Introduction to Phlebotomy, 13th Edition (2010), College of American Pathologists, Northfield, IL.Dalal BI, Brigden ML. Factitious biochemical measurements resulting from hematologic conditions. Am J Clin Pathol. 2009 Feb;131(2):195-204.Lippi G, Salvagno GL, Montagnana M, Franchini M, Guidi GC. Phlebotomy issues and quality improvement in results of laboratory testing. Clin Lab. 2006;52(5-6):217-30.

Lippi G, Blanckaert N, Bonini P, Green S, Kitchen S, Palicka V, Vassault AJ, Mattiuzzi C, Plebani M. Causes, consequences, detection, and prevention of identification errors in laboratory diagnostics. Clin Chem Lab Med. 2009;47(2):143-53.

Valenstein PN, Sirota RL. Identification errors in pathology and laboratory medicine. Clin Lab Med. 2004 Dec;24(4):979-96, vii.