What is the purple tube used for in phlebotomy?
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 a purple tube blood test?
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 test goes in what color tube?
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 |
Which tests are performed using a lavender topped tube?
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 do the colors mean on blood draw tubes?
Each color relates to unique additives that are in the tube. Red: Contain NO anticoagulants, used for serum testing. 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). Green & Light Blue: Used for plasma testing.
What is the black top tube used for in phlebotomy?
Black Top Tube (Vac-Tec): This tube is used for sed rates (ESR). The tube contains sodium citrate as the anticoagulant. Grey Top Tube: This tube is primary used for glucose testing. It contains potassium oxalate with sodium fluoride as the anticoagulant.
How long is blood good for in a purple top tube?
It can be stored for 12, 24 or 36 h prior to processing at 4°C and it can be frozen at −80°C for 20 days and then thawed under controlled conditions.
What do the different color blood tubes 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).
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 does a lavender top tube test for?
Lavender – Tube contains K2EDTA additive, used for hematology testing. a. Collected first to obtain adequate volume, minimize platelet clumping, and ensure accurate hematology test results. b.
How many times do you invert a lavender tube?
Sodium Heparin Special tests requiring heparinized plasma or whole blood Immediately after collection, invert the tube 8-10 times to mix anticoagulant. Lavender LAV – 4 ml. K2EDTA Routine hematology procedures Immediately after collection, invert the tube 8-10 times to mix anticoagulant.