What is the order of draw for blood work?
The recommended order of draw for plastic collection tubes is:
- First – blood culture bottle or tube (yellow or yellow-black top)
- Second – coagulation tube (light blue top).
- Third – non-additive tube (red top)
- Last draw – additive tubes in this order:
How do you remember the order of blood draw tubes?
Some phlebotomist use a mnemonic to help them remember. Blog Market Lab shared some very humorous mnemonics, such as “Studious Boy’s Rarely Get Low Grades” referring to Sterile, Blue, Green, Lavender and Grey.
What is the order of draw by tube color?
The order of draw is based on CLSI Procedures and Devices for the Collection of Capillary Blood Specimens; Approved Standard – Sixth Edition, September 2008. This standard recommends that EDTA tubes be drawn first to ensure good quality specimen, followed by other additive tubes and finally, serum specimen tubes.
What is the light blue tube used for in phlebotomy?
These tubes contain the anticoagulant sodium citrate. They are used mostly for coagulation (clotting) studies. They must be completely filled to assure proper ratio of anticoagulant to blood. They must be inverted immediately after filling to prevent clotting.
What is a rainbow draw lab?
Clinical laboratories often receive extra blood tubes beyond what is needed for associated laboratory test orders. Sometimes, this practice involves drawing tubes of every possible color (the “rainbow”) to allow for add-on testing at a later time.
Why do blood collection tubes have different colored tops?
Vacutainer tubes are covered with a Color-coded plastic cap that indicates which additives the tube contains. These color indicators help the phlebotomist to easily select the tubes in which the blood should be drawn as per the tests that have to be performed.
What is the yellow tube for in phlebotomy?
Yellow-top tube (ACD) This tube contains ACD, which is used for the collection of whole blood for special tests. NOTE: After the tube has been filled with blood, immediately invert the tube 8-10 times to mix and ensure adequate anticoagulation of the specimen.
What is the proper order of draw?
The order of draw is as follows: Yellow: Blood cultures – this preserves microorganisms within the blood. Light Blue: Light blue tubes are also called coagulation tubes. Plain Red: The most common color for venipuncture. Plastic Red: This is a clot activator, separating the serum of the blood and causing actual blood clots to occur.
What is the original color of blood?
The original colour of the blood is fire yellow. How? Blood is composed of a fluid matrix ie plasma which is about 55% and the formed elements which are about 45% Formed elements include RBCs , WBCs and platelets. The visible red color of blood, as we know, comes from the red respiratory pigment haemoglobin, found in the RBCs.
What two colors can blood be?
The Reason for Blood Color.
What is the correct order of draw in phlebotomy?
The basic order of draw followed by most phlebotomy laboratories is as follows: Yellow Top (or Yellow-Black). This tube is used for blood cultures. Light Blue. This tube contains sodium citrate , and is used for coagulation assays. Red. This tube does not contain any additives. Gray (with Red) or Gold.