You asked: What is a gold tube blood test?

This tube contains a clot activator and serum gel separator – used for various chemistry, serology, and immunology tests. If the specimen requirement for a test is red-top tube(s), do not use gold-top/SST tube(s).

What is a Gold blood test for?

QuantiFERON-TB Gold (QFT) is a simple blood test that aids in the detection of Mycobacterium tuberculosis, the bacteria which causes tuberculosis (TB). QFT is an interferon-gamma (IFN-γ) release assay, commonly known as an IGRA, and is a modern alternative to the tuberculin skin test (TST, PPD or Mantoux).

What is the gold tube used for in phlebotomy?


Gold Top (Serum Separator, “SST”) Contains separating gel and clot activator 6.0 mL
Light Blue – Yellow Label on Tube Thrombin 2.0 mL
Green Sodium heparin(100 USP Units) 5.0 mL
Tan K2 EDTA 5.0 mL

What blood tube colors are for which test?

The tests each bottle is used for are the same: the purple one is for cell count, the yellow one is for electrolytes, albumin and LDH, the grey one is for glucose, and blood culture bottles can be used for fluid cultures.

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What is a yellow-top tube used for?

Yellow-top tube (ACD): Tube contains acid citrate dextrose as an anticoagulant. This tube is used for the collection of whole blood for special studies.

What happens if TB Gold test is positive?

A “positive” TB blood test result means you probably have TB germs in your body. Most people with a positive TB blood test have latent TB infection. To be sure, your doctor will examine you and do a chest x-ray. You may need other tests to see if you have latent TB infection or active TB disease.

What happens if Quantiferon is positive?

You have a positive Tuberculin Skin Test (TST) or QuantiFERON blood test: what does this mean? If your TST (Mantoux) or Quantiferon blood test was found to be positive, this means you have a latent TB infection, but usually not the active disease.

What do the different color blood tubes mean?

Have you noticed that we use different colored blood tubes? Each color relates to unique additives that are in the tube. Red: Contain NO anticoagulants, used for serum testing. Serum is fluid that is left behind after the cells are removed due to clotting.

What color tube is used for STD testing?

Specimen Requirements

Collect specimen in lavender-top (EDTA), yellow-top (ACD), red-top tube, or gel-barrier tube.

What additive is in the gold tube?

Blood Collection Tubes

Tube cap color Additive
Light-blue 3.2% Sodium citrate
Red or gold (mottled or “tiger” top used with some tubes is not shown) Serum tube with or without clot activator or gel
Green Sodium or lithium heparin with or without gel
Lavender or pink Potassium EDTA
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What color tube is used for syphilis?

Obtain 5-10 ml of blood from the patient using standard venipuncture technique. Collect the blood into an anticoagulant free (i.e. “clot”) tube or serum separator tube (SST). Plasma (purple top tube) may be used up to 48 hrs.

What Colour bottle is used for HbA1c?

Clinical biochemistry tests

Biochemistry investigation Sample Container
Glucose Blood Grey
Glucose CSF – always include concurrent plasma specimen CSF and blood Grey
Glycosylated haemoglobin A1c (HbA1c) Blood Purple
Growth hormone (hGH) Blood Yellow

What tube is used for blood draw?

Note: When multiple specimens are drawn from a single venipuncture, the following order is recommended: (1) sterile blood culture tubes, (2) nonadditive clotting tubes (red), (3) coagulation tubes and tubes containing citrate (blue), (4) gel-barrier tubes and tubes with additives (red), (5) tubes containing heparin ( …

What tests are done on plasma?

Plasma protein tests are blood tests that detect the amount of proteins in the blood. This lab work is usually ordered as part of a comprehensive metabolic panel (CMP) during a physical exam. The tests can help your doctor determine your overall health. Plasma protein tests are also known as a total protein test.

How do you invert a tube?

To invert a test tube (or bottle, etc.) filled with water into a beaker of water, place a piece of filter paper on top of the brim-full tube, wait until the water has soaked into the paper enough to hold it on, then invert the tube and insert it into the beaker at an angle slightly off-vertical.

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What color tube is a CBC?

Lavender top tube – EDTA

EDTA is the anticoagulant used for most hematology procedures. Its primary use is for the CBC and individual components of the CBC.

Cardiac cycle