Tube color coded-The aseptic method for collecting and transporting a blood sample uses the principle of a vacuum tube for blood collection. This can cause discomfort to the patient and also hemolysis. This may result in changes in the concentration of certain analytes. Various types of anticoagulants interfere with the activity of these factors to prevent coagulation.
Do not allow the patient to clench and open (“pump”) his fist repeatedly during venipuncture. Hemolysis occurs when the thin protective membrane that encloses the fragile red blood cells is ruptured, allowing hemoglobin to escape into the plasma.
Which color tubes are used for which tests in phlebotomy?
They contain a gel that separates plasma from cells when centrifuged and is used for a wide range of tests. Phlebotomy tubes with green tops contain sodium therapists, lithium therapists, and ammonium therapists, all of which are coated inside the tube. They are classified as tubes for blood clotting tests, anticoagulant blood tests, and other types of tests. While the number of colors may seem overwhelming for normal people, healthcare professionals are trained to draw blood and distinguish one test-tube from another, as required by the sample being withdrawn.
Tubes in this category are often used for patients with a bleeding disorder or when using a blood thinner.
Which color tube would you use for the blood sample?
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. Maybe you’re examining blood cells using hematological microscopy, or maybe you’re looking for genetic material or circulating biomarkers. But what if your protocol isn’t specified, or you want to adopt a method from another system, or you simply want to make sure that you save the best sample type for future analyses that have not yet been defined? Hopefully, I can help you find your way around all of these different colored tubes. If you only need samples collected in citrate blood collection tubes for your project, you should remove a disposal tube first.
There are more blood collection tubes for more specific purposes, but hopefully, this will give you an overview of where to start.
What does a purple blood tube mean?
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. Sodium citrate is also added to blood products for transfusion and acts as a preservative by preventing clotting in the bag. During centrifugation, a gel barrier is formed between the plasma and the cellular components of the blood. Send plasma to a plastic transport tube marked “Plasma, Sodium Heparin” or “Plasma, Lithium Heparin.”
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