What are blood tube colors for which test?

color tube

Blood tube colors and use- Before collecting the patient, please contact the laboratory to obtain the correct tubes for metal analysis or other tests as specified in the individual test lists. Attempts to push more blood into the tube by applying pressure, such as collecting with a syringe, resulting in red blood cell damage (hemolysis). All tubes should be marked with the patient’s full name or identification number as shown on the test request form or bar code. 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.

Which Vacutainer is used for CBC?

The Vacutainer needle is double-ended, with one side covered with a thin rubber coating for safety reasons and the other side for insertion into the vein. Vacutainers have the advantage that they are manufactured with additives that allow multiple pipes to be removed easily and have a lower chance of hemolysis. 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. A Vacutainer Blood Collection tube is a sterile glass or plastic test tube with a colored rubber stopper that creates a vacuum seal inside the tube and makes it easier to draw a predetermined volume of liquid.


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