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Types of blood collection tubes and the meaning of different color caps

Views:7     Author:Site Editor     Publish Time: 2020-05-11      Origin:Site

Blood collection tubes are not unfamiliar to everyone. When you go to the hospital to draw a blood, you will definitely use blood collection tubes. The problem is that so many color blood collection tubes, what are the projects, what are the differences, the following Zibo Dongfang Medical Products Co., Ltd. The editor will introduce  the Blood collection tube type and the meanings of different color test tube caps.


Red test tube cap blood collection tube: The blood collection tube does not contain any additives and is suitable for routine biochemical serum testing. It has no effect on the test results. Disadvantages: centrifugation is not in place or the incubation time is insufficient, it is easy to form fibrin, and it is easy to block the device pinhole.


Orange-red test tube cap blood collection tube: A coagulant is added to the blood collection tube, which can activate fibrinase and promote soluble fibrin to form a stable fibrin clot. The collected blood can be quickly centrifuged out. It is generally suitable for some hospitals. Emergency experiment.


Purple test tube cap blood collection tube: The blood collection tube contains EDTA-K2 anticoagulant, which is generally produced by spraying, so that the anticoagulant is evenly distributed on the wall of the tube, and the prepared specimen is whole blood, which is generally suitable for routine hematological testing.


Green test tube cap blood collection tube: also called heparin tube. The blood collection tube contains heparin sodium (lithium). Heparin directly has the effect of antithrombin, which can prolong the blood clotting time of the specimen. It is generally suitable for routine biochemical and emergency plasma testing. Special biochemical projects have certain influences and are not suitable for blood coagulation and blood routine experiments.


Blood collection tube with yellow test tube cap: Inert separation gel is added to the blood collection tube. After centrifuging the specimen, the separation gel completely separates the serum and blood cells in the blood, and the storage time is longer. It is suitable for the biochemical detection of emergency serum.


Black test tube cap blood collection tube: generally used for detection of coagulation mechanism, sodium citrate has low toxicity, and is also suitable for blood preservation.


Vacuum blood collection tubes, the different colors of the labels represent different types of additives and test purposes, so that the corresponding test tubes can be selected according to requirements. Have you figured it out?


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