Common Blood Collection Tubes, their additives and Laboratory Uses :

Common Blood Collection Tubes, their additives and Laboratory Uses :

  1. Red

  2. Additive: None
    Laboratory Uses: Serum testing; chemistry studies, blood bank, serology (RH Typing, Antibody screening, Red Cell Phototyping, DAT)
  3. Yellow

  4. Additive: SPS (Sodium Polyanetholsulfonate)
    What additive does: Prevents the blood from clotting and stabilizes bacterial growth.
    Laboratory Uses: Blood and bodily fluid cultures (HLA, DNA, Paternity)
  5. Light Blue:

  6. Additive: Sodium Citrate
    What additive does: Removes calcium to prevent blood from clotting
    Laboratory uses: Coagulation (clotting process-P.T)
  7. Green:

  8. Additive: Heparin (Sodium/Lithium/Ammonium)
    What additive does: Inhibits thrombin formation to prevent clotting
    Laboratory uses: Chemistry Testing (Plasma determinations in chemistry)
  9. Lavender:
    Additives: EDTA (Ethylenediaminetetraacetic Acid)
    What additive does: Removes calcium preventing clotting of blood
    Laboratory uses: Hematology testing (ESR, CBC w/diff., HgBA1c)
  10. Grey:

  11. Additives: Potassium oxalate and Sodium fluoride
    What additive does: Removes calcium preventing clotting, fluoride inhibits glycolysis
    Laboratory uses: Chemistry testing, especially glucose(sugar) and alcohol (Glucose, Alcohol, GTT, Glucose fasting)
  12. Royal Blue:

  13. Additives: Sodium Heparin also Sodium EDTA
    What additive does: Inhibits Thrombin formation to prevent clotting
    Laboratory uses: Chemistry trace elements (such as Zinc, Copper, Lead and Mercury)
  14. Black:

  15. Additives: Sodium Citrate
    What additive does: Forms calcium salts to remove calcium
    Laboratory uses: ESR.

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