What are the three types of blood tubes?

types of tubes

Types of tubes- Generally used for hematology testing and contain sodium citrate. As a reflective agent for blood coagulation, sodium citrate binds to calcium ions to prevent coagulation, so it is used in coagulation tests to calculate bleeding time in addition to important coagulation tests such as D-dimer. Hemolysis can be caused by rough handling of a blood sample, by allowing the tourniquet to run too long (causing blood congestion), or by squeezing the fingertip too much during capillary collection, dilution, exposure to contaminants, extreme temperatures, or pathological conditions. If only a single collection tube is needed, when the vacuum is exhausted, and the tube is completely filled, release the tourniquet and remove the tube from the needle assembly.

Which blood tube colors are there for which test?

If a Coag tube (light blue) is the only or first tube to be drawn, a 5 ml disposal tube must be drawn first.

Which color tubes are used for a CBC?

Plasma is obtained from blood that has been mixed with an anticoagulant in a collection tube and is, therefore, not coagulated. The aseptic method for collecting and transporting blood samples uses the principle of a vacuum tube for blood collection. With some needle assemblies, you can slide the collection tube into the holder while gently pushing the tubes forward until the needle touches the stopper. If the vacuum tube doesn’t fill properly and you’re sure you’ve entered the vein correctly, replace another tube.

If multiple samples are required, remove the first collection tube from its holder as soon as blood flow is interrupted, turn the first tube upside down to prevent clotting, and gently insert the second tube into the holder.

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