Table of Contents
What is the lavender tube used for in phlebotomy?
Lavender Top Tube: This tube is used to for Hematology (CBC, e.g.) and certain Chemistry and Blood Bank testing. The tube contains EDTA as an anticoagulant. Samples collected in lavender tubes may not be used for coagulation tests. Light Blue Top Tube: This tube is used for coagulation testing.
What is a lavender top blood test 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.
Which is a common test drawn in a lavender tube?
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. EDTA Sodium fluoride (serum tube) For glucose determinations.
What tubes go to what department?
Learn the Order of draw, the additives in the tubes, and what tests they perform
| Question | Answer |
|---|---|
| What department do pink tubes go to? | Blood bank |
| What department do tan tubes go to? | Chemistry/serology |
| What does SST stand for? | Serum separator tube. |
| What does PST stand for? | Plasma seperator tube |
What is a lavender tube?
Lavender top tubes. Contain anticoagulant Ethylendiaminetetraactic acid (EDTA) to prevent clotting. Are used mostly for hematology studies. Must be completely filled to assure a correct anticoagulant to blood ratio. Must be inverted after filling to assure proper mixture of anticoagulant with blood.
What tubes for CBC and CMP?
Plasma is preferred specimen type. Green Tube/Plasma: Centrifuge after collection. Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
What is purple vial used for?
Purple blood bottles are generally used for haematology tests where whole blood is required for analysis..
What is in a lavender top tube?
Lavender-top tube (EDTA) This tube contains EDTA as an anticoagulant – used for most hematological procedures. These tubes are preferred for molecular tests.
What additive is in a lavender 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 color tube is CMP?
Green Tube/Plasma: Centrifuge after collection.
What is a lavender top?