Blood Collection Tubes, Additives, and Tests

Practice flashcards covering blood collection tube colours, tube names, additives or anticoagulants, and their corresponding diagnostic tests.

How does Heparin prevent coagulation?

By directly inhibiting thrombin.

What anticoagulant is present in the Light Blue tube, and in what concentrations?

$3.8\%$ or $3.2\%$ Sodium Citrate

Which laboratory tests are specified for the Light Blue tube?

Blood Clotting Factor and PT/INR (Plasma)

What additive is found in the Red or Plain tube?

No Additive

What types of tests are performed using the Red tube?

Immunology, Drug, serology

What additive is contained in the Gold SST (Serum Separating Tube)?

Clot Activator with gel

Which tests are listed for the Gold SST (Serum Separating Tube)?

All Biochemistry test (LFT, RFT, TFT…)

What anticoagulant is used in the Green tube, and what tests is it used for?

Sodium or Lithium Heparin; used for Special test, Trace elements

What tests are performed using the Lavender EDTA tube?

CBC, ESR, Blood Bank (Whole Blood)

What anticoagulant/additive and test are associated with the Gray tube?

Additive: Sodium Fluoride or Potassium Oxalate; Test: Blood Sugar (Plasma)