What are the different color tubes used for?

various color tubes

The blood smear (commonly known as a blood smear) can be an important part of clinical testing. Place the left end of the spreader at an angle of 45° approximately ½ inch from the drop of blood on the slide. The serum can be sent into the centrifuge tube with an intact barrier (correct separation during centrifugation) between cells and serum or in a plastic transport tube. Never leave a tourniquet on your arm for more than a minute without letting go of it.

Plasma is obtained from blood that has been mixed with an anticoagulant in a collection tube and is, therefore, not coagulated. Remove the stopper and gently aspirate the plasma using a separate disposable Pasteur pipette for each tube.

What type of tube should be used for blood?

It is worth noting that a citrate tube should not be the first type of tube to be filled after the venipuncture – the first few ml of the drawn blood are slightly activated. I’ll then talk about the types of blood collection tubes used for lab testing, their limitations, and potential errors associated with using the wrong type of tube. Depending on the type of metal complex or the presence of a gel separator, heparin tubes are color-coded with shades of green. It is recommended that the collection sequence starts with blood cultures for microbiological testing, a royal blue tube that contains no additives, followed by the light blue top for coagulation tests.

What are the three types of blood tubes?

GP41 diagnostic venous blood sampling from CLSI provides a descriptive, step-by-step process and procedures that reflect the essential format of the quality system for diagnostic venous blood collection. The primary role of EDTA in anticoagulation is to chelate calcium ions in the blood to prevent them from clotting. Only blood culture tubes, serum tubes without added glass or plastic serum tubes without clot activator may be removed from the coagulation tube. For many basic scientists, the process of getting that blood from someone into your project can be intimidating.

Numerous errors can occur when collecting and handling blood samples, which pose significant and avoidable risks for the patient and the phlebotomist.

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