What is a purple top tube blood test?
Lavender top tube – EDTA EDTA is the anticoagulant used for most hematology procedures. Its primary use is for the CBC and individual components of the CBC. The larger 6 mL tube is used for blood bank procedures.
Is purple top tube whole blood?
This generally refers to unclotted whole blood and is further clarified by the type of anticoagulant used in the collection tube. Whole blood should not be frozen. EDTA whole blood = Lavender (purple) top tube Label this tube with owner name, animal ID, and as EDTA whole blood.
What is the purple tube used for in phlebotomy?
EDTA
PHLEBOTOMY SERVICES
| STOPPER COLOR | CONTENTS | USES/COMMENTS |
|---|---|---|
| Pearl Top (Plasma Preparation, “PPT”) | Separating gel and (K2)EDTA | Adenovirus PCR Toxoplasma PCR HHV-6 PCR |
| Lavender (“Purple”) | (K2)EDTA | CBC/Diff/Retic/Sed Rate, FK506, Cyclosporin, Platelet Ab, Coombs, Flow Cytometry |
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 does a purple blood test mean?
The tests each bottle is used for are the same: the purple one is for cell count, the yellow one is for electrolytes, albumin and LDH, the grey one is for glucose, and blood culture bottles can be used for fluid cultures.
Why does blood coagulate in a test tube?
The moment you break the endothelial lining of your patient’s blood vessel to collect a sample, this cascade of events is initiated and is capable of continuing outside the body within the blood tube after collection. This is why we sometimes observe clots in blood sample tubes.
What are the different color tubes for lab tests?
Blood Collection Tubes
| Tube cap color | Additive |
|---|---|
| Red or gold (mottled or “tiger” top used with some tubes) | Serum tube with or without clot activator or gel |
| Green | Sodium or lithium heparin with or without gel |
| Lavender or pink | Potassium EDTA |
| Gray | Sodium fluoride, and sodium or potassium oxalate |
What does the Purple stopper on a phlebotomy tube do?
Tubes with purple or lavender-colored stoppers contain EDTA (ethylenediaminetetraacetic acid) additive that binds calcium ions, effectively blocking coagulation cascade. Clinical laboratories use these to test for whole blood.
What do the colors on the Vacutainer tubes mean?
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 kind of blood collection tubes do BD use?
Only BD provides a full offering of blood collection tubes in both glass and plastic. BD Vacutainer plastic tubes BD Vacutainer plastic tubes offer a safe method of blood collection and reduce the potential for tube breakage and specimen spillage, thereby reducing the potential for exposure to bloodborne pathogens.
How are Vacutainer blood collection tubes are safe?
BD Vacutainer plastic tubes offer a safe method of blood collection and reduce the potential for tube breakage and specimen spillage, thereby reducing the potential for exposure to bloodborne pathogens. BD provides a full offering of Vacutainer® blood collection tubes in both glass and plastic.
