How much EDTA is in a purple top tube?
1.8mg EDTA per milliliter
What is the concentration of EDTA in the lavender and pink stoppered tubes? A. The nominal EDTA concentration is 1.8mg EDTA per milliliter of blood.
What is a purple EDTA blood test?
An EDTA test is used to assess the function of your kidneys through a series of blood tests. EDTA refers to the name of the substance that you will receive by injection. EDTA contains a small amount of radioactive material. This allows it to act as a tracer which will show the kidney function.
What color top is EDTA tube?
Lavender top
Green top tube with sodium or lithium heparin: used for plasma or whole blood determinations. EDTA tubes: includes Lavender top, Pink top (used for blood bank testing), Tan top (used for lead testing), and Royal Blue top with EDTA (used for trace metal whole blood or plasma determinations).
What coagulant is in a purple top tube?
EDTA
Lavender-top tube (EDTA)
This tube contains EDTA as an anticoagulant – used for most hematological procedures. These tubes are preferred for molecular tests.
What is an EDTA tube used for?
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. EDTA is used for most hematology procedures, assessing complete blood count, preparing EDTA plasma, whole blood collection and bone marrow specimens.
Why is EDTA tube used for CBC?
Historically, EDTA has been recommended as the anticoagulant of choice for hematological testing because it allows the best preservation of cellular components and morphology of blood cells.
What is the purple tube used for in phlebotomy?
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 |
Is EDTA an anticoagulant?
Ethylenediaminetetraacetic acid (EDTA) is a well-known anticoagulant since early 1950s and it has certain advantages over other anticoagulants [2]. It inhibits clotting by removing or chelating calcium from the blood.
Which test is done in EDTA tube?
In general, hematology testing is performed on EDTA- (purple top tube) anticoagulated blood.
Why is EDTA used in blood?
A chemical that binds certain metal ions, such as calcium, magnesium, lead, and iron. It is used in medicine to prevent blood samples from clotting and to remove calcium and lead from the body.
Why is EDTA used in blood samples?
What is EDTA tube used for?