What do the different colors of blood tubes mean?

What do the different colors of blood tubes mean?

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.

What color tube is used for blood collection?

Royal blue-top tube These are used in the collection of whole blood or serum for trace element analysis.

Why are blood collection tubes color coded?

Additives are added to the vacutainer tubes to preserve the specimen for laboratory analysis. The rubber stopper of collection the tubes are color coded according to the additive in the tube. Because of the additive in the tube, using the wrong tube may make the blood sample unusable.

What are the different blood collection tubes used for?

Blood collection tubes containing heparin, which stabilizes the red blood cell membranes, are used for specialized hematology studies, such as red cell fragility tests and several specialized chemistry tests. Blood collection tubes containing sodium citrate are used for coagulation studies.

What is the purple blood tube for?

The purple top tube provides blood for infectious disease tests and ascertaining important data such as ABO/Rh (blood type), as well as whether the blood is positive or negative for cytomegalovirus (CMV), HIV, hepatitis, and West Nile virus, to name a few.

What is the GREY blood test for?

The grey top bottle is most commonly used to check serum glucose levels. The grey top bottle can be used to check for two main tests: serum glucose and serum lactate.

What Colour is EDTA tube?

EDTA whole blood = Lavender (purple) top tube Label this tube with owner name, animal ID, and as EDTA whole blood.

What is a brown blood test for?

Blood Sciences Test Repertoire Table

Test Specimen Container Background Colour Specimen Container
Albumin Brown Gel/Serum
Alcohol Brown Gel/Serum
Aldosterone Orange Lithium Heparin
Alkaline Phosphatase (ALP) Brown Gel/Serum

What tests are green tubes used for?

Green – Tube contains Lithium Heparin, PST™ Gel additive with or without Amber Coating to protect light sensitive assays, used for plasma chemistry testing.

What is a purple EDTA blood test for?

An EDTA test is used to assess the function of your kidneys through a series of blood tests. EDTA refers to the name of the substance that you will receive by injection. EDTA contains a small amount of radioactive material. This allows it to act as a tracer which will show the kidney function.

What color tube has heparin?

Green-top tube: Contains sodium heparin or lithium heparin. Use: Heparinized whole blood or plasma. Send plasma in a plastic transport tube labeled “Plasma, Sodium Heparin” or “Plasma, Lithium Heparin.” Send whole blood in a green-top tube.

What color tube is serum?

Serum tubes: include Red top tubes (no preservative) with clot activator and SST (gold top) gel separator tubes with clot activator. Used for serum determinations including chemistry testing, serology, and therapeutic drug monitoring.

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 do the colored tubes on blood collection tubes mean?

The cap colors on blood collection tubes tell technicians the tube additives, additive functions and the laboratory tests required. Some collection tubes contain clot activators, which produce serum samples when spun in centrifuges.

What are the different types of blood collection tubes?

Common blood collection tubes, their additives and laboratory uses. 1. Red. The red bottle is less common – it is used for biochemistry tests requiring serum which might be adversely affected by the separator gel used 2. Yellow. 3. Light Blue. 4. Green. 5. Lavender.

What does a red stopper mean on a blood collection tube?

A red or gold blood collection tube stopper indicates the presence of a clot activator, and centrifugation produces serum. The lab tests include chemistry, serology and immunology. A grey stopper indicates lab tests for glucose, blood alcohol and lactic acid.

Why do phlebotomists use color indicators in tubes?

These color indicators help the phlebotomist to easily select the tubes in which the blood should be drawn as per the tests that have to be performed. The additives present in the vacutainer tubes plays the most important role as every additive has a unique function and these are selected as per the tests to be performed.

  • August 30, 2022