What is rainbow blood draw?
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.
What do the colors mean on blood draw tubes?
Red: Contain NO anticoagulants, used for serum testing. Serum is fluid that is left behind after the cells are removed due to clotting. Gold: Contains a clot activator and special gel to separate serum from the cells. Purple: Contains a clot blocker and are used for complete blood count(CBC).
What is the correct order of draw in phlebotomy?
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). If just a routine coagulation assay is the only test ordered, then a single light blue top tube may be drawn.
Which color blood tube do you draw first?
Standard order of draw: BLOOD CULTURES, royal blue, red, light blue, SST (Gold), green, tan, yellow, pink, pearl, lavender. If a coag tube (light blue) is the only tube or the first tube to be drawn, a 5 mL discard tube must be drawn first.
What does rainbow mean in medical terms?
A message announced over a hospital's public address system warning the staff of a riot or large-scale disaster.
What are the 3 main veins to draw blood?
The most site for venipuncture is the antecubital fossa located in the anterior elbow at the fold. This area houses three veins: the cephalic, median cubital, and basilic veins (Figure 1).
What color tubes are drawn last?
Collect citrate tube (blue top) last, after 20mL of blood has been withdrawn for other testing, or as waste. Just prior to drawing the blue top tube as the last tube, draw 1mL into a discard blue top tube to prevent cross contamination from the additive of previously drawn tubes.
What tube should be drawn first?
first tube to be drawn is a coagulation tube, a discard tube must be drawn first. The discard tube must be a non-additive, no clot activator, or a coagulation tube. NO clot activator or additive tubes should be drawn before coagulation studies.
How do I remember my phlebotomy tubes?
The best way to always remember tubes is by additives. This way, no matter how many times a hospital may change the color of the tubes, the additives will always remain the same.
What is the pink tube used for in phlebotomy?
Pink-top tube (EDTA) This tube contains EDTA as an anticoagulant. These tubes are preferred for blood bank 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 rainbow color code?
The color indigo (rainbow) with hexadecimal color code #233067 is a medium dark shade of blue. In the RGB color model #233067 is comprised of 13.73% red, 18.82% green and 40.39% blue. In the HSL color space #233067 has a hue of 229° (degrees), 49% saturation and 27% lightness.
What is rainbow code?
As each patient was wheeled out, the hospital staff held a “Code Rainbow” ceremony, which celebrates the progress of a patient who goes home after an extended hospital stay. As a patient's chosen song or mantra is played, staff from all areas of the hospital come to clap, wave and say farewell.
Which vein is preferred by most phlebotomists?
Of these, the median cubital vein is usually the vein of choice for phlebotomy: It is typically more stable (less likely to roll), it lies more superficially, and the skin overlying it is less sensitive than the skin overlying the other veins. Antecubital veins, right arm. Antecubital veins, left arm.
Which vein is the last choice for venipuncture?
The basilic vein The basilic vein is responsible for taking blood that doesn't have oxygen from the arms back to the heart and lungs, where it's given oxygen again. While you can usually see it clearly, it's considered a last resort in medical procedures.
What color tube do you draw a CBC in?
The following tests may be drawn in the same LAVENDER (PURPLE) top tube: CBC, SED RATE (ESR), RETICULOCYTE Draw an extra LAVENDER for each (GLYCOHEMOGLOBIN and BNP).
Why is the order of draw important in phlebotomy?
Blood samples must be drawn by phlebotomists in a specific order to avoid cross-contamination of the sample by additives found in different collection tubes. Phlebotomy order of draw is the same for specimens collected by syringe, tube holder, or into tubes preevacuated at the time of collection.
Do you centrifuge red top tubes?
DO allow red top tubes to clot in an upright position at room temperature for 60 minutes, gold top for 30 minutes. Centrifuge for the preprogrammed time or 10 minutes for red or gold top tubes, 10 minutes for green, and 15 minutes for BD Blue top tubes.
Which tube do you draw first?
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 happens if tourniquet is left on too long before drawing blood?
A prolonged tourniquet time may lead to blood pooling at the venipuncture site, a condition called hemoconcentration. Hemoconcentration can cause falsely elevated results for glucose, potassium, and protein-based analytes such as cholesterol.
What is the purple blood tube for?
The purple top tube provides blood for infectious disease tests and ascertaining important data such as ABO/Rh (blood type), as well as whether the blood is positive or negative for cytomegalovirus (CMV), HIV, hepatitis, and West Nile virus, to name a few.
What is the blue tube used for in phlebotomy?
2. Blue Top – Tube contains Sodium Citrate. Most often used for coagulation studies. Must be drawn prior to collection of serum tubes to prevent contamination with clot activator and interference with coagulation cascade.
What is the 7 colors of rainbow?
The colours of the rainbow are: Red, orange, yellow, green, blue, indigo, violet. Can you find items from around the house in each of the seven colours?
What is the pattern of the rainbow?
This sequence of colours gives us the characteristic pattern we're all familiar with, and that we learn from childhood through the use of mnemonic phrases. The colours of the rainbow are Red, Orange, Yellow, Green, Blue, Indigo and Violet.
What is a rainbow alert?
The Rainbow Alert by Alcatel-Lucent Enterprise messaging system is designed for both clinical and non-clinical staff. It helps manage critical situations more efficiently, and significantly reduces operating cost as it replaces out-of-date pager systems.
What vein should be avoided?
While hand veins may be utilized for blood draws and intravenous infusions, veins in the feet and legs should be avoided for adults. Drawing from these sites can cause blood clotting and hemostasis.
What is the easiest vein to draw blood?
For adult patients, the most common and first choice is the median cubital vein in the antecubital fossa. Commonly referred to as the antecubital or the AC it can be found in the crevice of the elbow between the median cephalic and the median basilic vein.
What’s the main artery called?
aorta The main artery is your aorta, which connects to the left side of your heart. It runs down through your chest, diaphragm and abdomen, branching off in many areas. Near your pelvis, your aorta branches into two arteries that supply blood to your lower body and legs. The main vein in your body is the vena cava.
What color tube is PTT?
Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate. Evacuated collection tubes must be filled to completion to ensure a proper blood-to-anticoagulant ratio.
What color top is CMP?
green-top Red-top tube or green-top (lithium heparin) tube is acceptable.
What color tube is EDTA?
EDTA whole blood = Lavender (purple) top tube Label this tube with owner name, animal ID, and as EDTA whole blood.