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Med Lab ( tubes)

color blood tubes with additive

ColorAdditiveUses
RED TOP None Chemistries, immunology and Serology, Blood Bank (crossmatch)
PURPLE TOP EDTA Hematology (CBC) and Blood Bank (Crossmatch); requires FULL DRAW- invert 8 times
LIGHT BLUE TOP Sodium citrate Coagulation tests (protime and prothrombin time), FULL DRAW required
Light GRAY TOP Sodium fluoride and potassium oxalate Glucoses, requires FULL DRAW (may cause hemolysis if short draw)
Light GREEN TOP Plasma Separating Tube (PST) with Lithium heparin Chemistries
DARK BLUE TOP EDTA Trace element testing (Zinc, copper,lead,mercury) and toxicology
YELLOW TOP ACD (acid-citrate-dextrose) HLA tissue typing, paternity testing, DNA studies
GOLD TOP None Chemistries, immunology, and Serology
PINK TOP Potassium EDTA Molecular and viral load testing
ORANGE TOP Thrombin STAT serum chemistries
LIGHT BROWN TOP Sodium Heparin Serum Lead Determination
BLACK TOP Sodium citrate (buffered) Westergren Sedimentation Rate; requires FULL DRAW
YELLOW BLACK TOP Broth mixture Microbiology- aerobes, anaerobes, fungi
GREEN TOP Sodium heparin or lithium heparin For lithium level, use sodium heparin for ammonia level, use sodium or lithium heparin, HPV.
Created by: 8397409