Table of Contents
What color tube is the EDTA tube?
Royal blue-top tube: Contains sodium EDTA for trace metal studies.
What is the Colour of EDTA vial?
Colour code: purple. Tube size: 13 x 100mm, 13 x 75mm.
What is EDTA purple top?
What is a purple top K2 EDTA tube? It’s a tube coated with spray-dried K2EDTA on its inner wall. EDTA acts as an anticoagulant, binding the calcium ions and interrupting the clotting of the blood sample.
What blood tube colors are for which test?
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 is EDTA in phlebotomy?
EDTA, short for ethylenediaminetetraacetic acid, is a fairly standard part of blood collection. It is used not only as a way to keep blood from clumping together, but also to treat extreme cases of lead poisoning in a process called “chelation therapy.”
What does EDTA stand for in phlebotomy?
Ethylenediamine tetraacetic acid
Ethylenediamine tetraacetic acid (EDTA) is a polyprotic acid containing four carboxylic acid groups and two amine groups with lone-pair electrons that chelate calcium and several other metal ions.
What do the colored tops on blood vials mean?
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 do the colored blood vials 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.
What is the yellow stuff in blood test tubes?
Types of tubes
| Tube cap color or type | Additive |
|---|---|
| Tan | EDTA (chelator / anticoagulant) |
| Gray | Sodium fluoride (glycolysis inhibitor) Potassium oxalate (anticoagulant) |
| Yellow | Acid-citrate-dextrose A (anticoagulant) |
| Pearl (“white”) | Separating gel, cumb and (K2)EDTA |
What is EDTA vial?
EDTA is the typical anticoagulant used in blood collection tubes. It can be in a dry format or as a solution. The amount and concentration of EDTA require that blood should be collected up to a specific mark on the tube.
What is purple EDTA blood test for?
What is in EDTA tubes?
EDTA BLOOD TUBES EDTA tubes from Greiner Bio-One are available in three versions: K2E K2EDTA, K2E K2EDTA Separator and K3E K3 EDTA. The additive potassium EDTA (ethylenediaminetetraacetic acid) contained in the tube interferes with calcium and thus blockades the coagulation cascade.
Can EDTA be used as a universal anticoagulant?
The use of EDTA in proteomics and in general clinical chemistry is also described in comparison with other anticoagulants and with serum samples. Finally, the possible uses of alternative anticoagulants instead of EDTA and the potential use of a universal anticoagulant are illustrated.
How does EDTA block coagulation?
The EDTA binds calcium ions thus blocking the coagulation cascade. EDTA tubes can be used in direct sampling analysers without actually being opened. Erythrocytes, leukocytes (white blood cells) and thrombocytes (platelets) are stable in EDTA anticoagulated blood for up to 24 hours.
What is EDTA used for in chelation?
EDTA also binds metal ions in the blood and is used in chelation therapy to treat iron, lead or mercury poisoning. Its blood-binding capacity also means it can be labelled with radioisotopes and used as an EDTA scan to assess renal glomerular filtration rate.
What is the difference between EDTA K2 tubes and EDTA gels?
EDTA K2 tubes are used for testing whole blood in molecular diagnostics. EDTA K2/gel tubes are used for testing plasma in molecular diagnostics and viral load detection. HIV and HCV are stable for up to 72 hours in a non-centrifuged sample at room temperature (20–25°C).