What color tubes are used for which tests in phlebotomy
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 color of the tube is used for CBC?
LAVENDER
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). 9. GLUCOSE is always drawn in a GRAY top tube.
What tubes will the phlebotomist collect for the tests listed on the requisition?
The correct order of draw would be: two light blue top tubes (one waste and one for PT which is a coagulation test), green top tube (for the Chem 7), and the lavender top tube (for the CBC). The physician orders a prothrombin time.
What is the red top tube used for in phlebotomy?
Red top – Tube without gel separator, used mainly for serology and chemistry testing. 10mL Red top tubes are used in Blood Bank for antibody screens. c. SST / Gold top – Tube contains a clot activator / gel separator which separates the cells from the serum for a variety of testing.
What is the GREY tube used for in phlebotomy?
Grey-top tube (potassium oxalate/sodium fluoride)
This tube contains potassium oxalate as an anticoagulant and sodium fluoride as a preservative – used to preserve glucose in whole blood and for some special chemistry tests.
What is the yellow tube used for in phlebotomy?
PHLEBOTOMY SERVICES
| STOPPER COLOR | CONTENTS | USES/COMMENTS |
|---|---|---|
| Green | Sodium heparin(100 USP Units) | Ammonia, Lactate, HLA Typing |
| Tan | K2 EDTA | Lead levels |
| Yellow | ACD Solution A consists of trisodium citrate, citric acid and dextrose | DNA Studies, HIV Cultures |
| Pink | (K2)EDTA | Blood type & Screen, Compatibility Study, Direct Coombs HIV Viral Load |
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Nov 19, 2021
What is a purple top tube used 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 is in a green top tube?
Green-top tube: Contains sodium heparin or lithium heparin. Use: Heparinized whole blood or plasma.
What is a gray top tube?
A blood collection tube containing powdered sodium fluoride and/or potassium oxalate, which inhibits glycolysis; ‘gray tops’ are used for glucose tolerance testing because glycolysis in the red cells would cause false-low glucose, for measuring lactate—transported on ice—lactate tolerance.
What color tube is used for sodium test?
Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube. Do not use oxalate, EDTA, or citrate plasma.