EDTA
VACUETTE® EDTA tubes are used for determinations in EDTA whole blood for haematology, immunohaematology or for the molecular biological identification of viruses, parasites and bacteria after centrifugation and plasma for clinical chemistry.
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.
Use the table below to skip to other VACUETTE® tube types:
| Additive | Cap Color | Cap Image |
| Coagulation Blood Tube | Light Blue Top Tube |  |
| Serum Blood Tube | Red Top Tube/Black Ring |  |
| Serum Separator Blood Tube | Gold Top Tube |  |
| Lithium Heparin Blood Tube | Green Top Tube/Black Ring |  |
| Lithium Heparin Separator Blood Tube | Green Top Tube/Yellow Ring |  |
| Sodium Heparin Blood Tube | Green Top Tube/ Green Ring |  |
| K2 EDTA Blood Tube | Lavender Top Tube |  |
| K2 EDTA Separator Blood Tube | Lavender Top Tube |  |
| K3 EDTA Blood Tube | Lavender Top Tube | |
| No Additive Blood Tube | White Top Tube |  |
| Glucose Blood Tube | Grey Top Tube |  |
| Trace Elements Blood Tube | Royal Blue Top Tube |  |
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