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 color tubes go with what lab tests?
Blood Collection Tubes
| Tube cap color | Additive | Common laboratory tests |
|---|---|---|
| Lavender or pink | Potassium EDTA | Hematology and blood bank |
| Gray | Sodium fluoride, and sodium or potassium oxalate | Glucose (especially when testing will be delayed), blood alcohol, lactic acid |
What’s the order of draw in phlebotomy?
ORDER OF DRAW If just a routine coagulation assay is the only test ordered, then a single light blue top tube may be drawn. If there is a concern regarding contamination by tissue fluids or thromboplastins, then one may draw a non-additive tube first, and then the light blue top tube.
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Collect citrate tube (blue top) last, after 20mL of blood has been withdrawn for other testing, or as waste.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.
Do you centrifuge purple top tubes?
It is recommended that these tubes are centrifuged after the clot forms and the serum transferred to a separate container. This new container should be labeled with owner name, animal ID, and as serum.
What is the correct order of draw in phlebotomy?
How many labs can one tube draw?
ALL OF THIS PAGE CAN SHARE A TUBE UP TO ABOUT 12 TESTS.
Do you spin purple top?
What color tube is used for electrolyte test?
Specimen Requirements Red-top tube or green-top (heparin) tube is acceptable if centrifuged within 45 minutes and the serum or plasma is removed and placed in a tightly-stoppered secondary tube.
How long is blood good for in a purple top tube?
Tubes of blood are to be kept closed at all times. 2. Whole blood samples should not remain at room temperature longer than 8 hours. If assays are not completed within 8 hours, samples should be stored at +2°C to +8°C no longer than 7 days.
What are the different colors of blood collection tubes?
Gray Top Tube. Aside from these, there are blood collection tubes with slight variations in color. Tubes with pink stoppers, for example, are used in blood banks for different procedures, such as cross-matching, screening of anti-bodies or blood typing. Those with royal blue stoppers are mainly used for toxicology,…
What tubes do you draw first in a blood culture?
1. Sterile Blood Culture Tubes or Vials Sterile specimens are drawn first to prevent contamination that can occur during the procedure. The specimens you should draw first are blood culture bottles and SPS (yellow top) tubes. Sterile technique is critical to obtaining a perfect specimen. 2. Blue Top Tubes
What does a red top tube look like for blood work?
Red Top Tubes These tubes may come with or without clot activator or gel separator. They may look like a red and black tiger top stopper, gold shield, or a red shield/stopper. These are used to draw samples for blood bank and HCG levels (pregnancy hormones).
Why must light blue tubes be drawn before collection of serum?
Light Blue tubes must be drawn prior to collection of serum tubes to prevent contamination with clot activator and interference with the coagulation cascade. a. Light Blue stopper tubes contain sodium citrate most often used for coagulation studies.
