What do the different colors of blood tubes mean?

various color tubes

Wait a minute and try again. It contains a gel that effectively separates the cells from the serum as they go through centrifugation. Vacutainer tubes work on the pressure difference that creates between the blood vessel and the vacuum in the tubes, which forces the blood through the needle into the tube. These color indicators help the phlebotomist to easily select the tubes in which the blood should be taken according to the tests to be performed.

These tubes are available with or without a safety lock (rubber stopper in the plastic cap), with a wide range of labeling options and sealing colors, as well as a range of draw volumes.

What does a purple blood tube mean?

The main blood cells are classified into red blood cells (erythrocytes), white blood cells (leukocytes) and platelets (platelets). When more than one blood sample is required, multiple sample needles and vacuum tubes make blood collection easier and more efficient. This mixed blood can then be centrifuged to produce a plasma that contains albumin, globulin, and fibrinogen. Always use the correct vacuum tube for tests that require a specific anticoagulant (such as EDTA, heparin, sodium citrate, etc.) or preservative.

Purple blood sample collection tubes contain an anticoagulant called EDTA, a short name for ethylenediaminetetraacetic acid, as this substance binds to calcium in the blood and prevents it from clotting.

What are the various color blood collection tubes used for?

Samples from kidney transplant patients were placed in BD Vacutainer glass and plastic EDTA tubes Please contact the laboratory before collecting the patient to obtain the correct tubes for metal analysis or another testing as specified in individual test lists. In addition, during conferences or departmental meetings, the laboratory manager (or pathologist) may discuss the importance of proper laboratory tube collection with the administration, clinical staff, purchasing department, and HR department. Most blood collection tubes contain an additive that either accelerates blood clotting (clot activator) or prevents blood from clotting.

The amount and concentration of EDTA require blood to be collected up to a specific mark on the tube.

References:

Gabriel Nieves

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