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A blue top blood tube contains buffered sodium citrate(buff. Na citrate). This chemical has three main functions: 1) To prevent blood from clotting 2) To preserve the shape of red and white blood cells 3) To prevent platelets from clumping
Generally blue tubes are used for the following tests: Prothrombin Time (PT), Partial Thromboplastin Time (PTT/APTT) and International Normalized Ratio (INR).
Hope that helps!
What else can I help you with?
What color tube would you use for Protime blood collection?
A light blue top tube is typically used for Protime blood collection, as it contains sodium citrate as an anticoagulant.
What tube is often associated with coagulation test?
Blue top tube which contains citrate.
What color top for a ptt lab draw?
For a PTT lab draw, a light blue top tube is typically used. This tube contains sodium citrate as an anticoagulant to prevent blood clotting during the test.
What color top tube used for prothrombin time?
The color top tube used for prothrombin time (PT) is typically light blue. This tube contains sodium citrate as an anticoagulant, which is necessary to prevent blood clotting during PT testing.
What color top tube for HgA1C?
The color of the top tube for HgA1C blood test is lavender. This type of tube contains EDTA as an anticoagulant additive to prevent blood coagulation.
What color tube for a D-dimer?
A light blue top tube containing sodium citrate is typically used for collecting blood samples for D-dimer testing, as citrate is an anticoagulant that prevents blood clotting during processing. The tube must be filled completely to ensure the proper blood-to-anticoagulant ratio.
Collection of blood for cholesterol testing is done in what color tube?
The collection tube for blood cholesterol testing is typically a red or gold/tiger top tube. The red tube usually contains a clot activator, while the gold/tiger top tube contains a gel separator to separate serum from the blood cells after centrifugation.
What color tube to draw a protime?
A blue-top tube (sodium citrate) is typically used to collect blood samples for Prothrombin Time (PT) testing.
What color tube is blood drawn in for in folate test?
Blood for a folate test is typically drawn in a lavender-top tube, which contains the anticoagulant EDTA. The lavender-top tube is used for collecting whole blood specimens for hematology testing.
What test tube would you use to draw blood for a ESR?
Black top (sodium citrate tube) or light blue tube. They both contain sodium citrate. I failed this question on my final, I knew a black top tube is used but it was not given to me as a choice. I did not think hard enough to come to the conclusion that a light blue tube would be another option.
What color tube top is used to draw a sedimentation rate?
The tube top used to collect blood for sedimentation rate testing is typically a lavender/purple top tube. This tube contains the anticoagulant EDTA to prevent the blood from clotting during testing.
Does a red top tube have serum or plasma in it?
A red top tube typically contains serum after the blood has been separated by centrifugation. Plasma is obtained from blood collected in tubes with anticoagulants.
