The poster below outlines the order of draw for venepuncture:
The table below outlines the different types of anticoagulant and sample volume requirements for the tests listed in the test repertoire table. The information in the test repertoire table refers to 1 x adult or 1 x paediatric sample unless stated otherwise.
Colour reference in the test repertoire table | Anticoagulant used | Standard bottle volume (Adult) | Paediatric bottle volume |
Red | K-EDTA (Potassium-Ethylenediaminetetraacetic acid) | 4.0ml | 1.2ml |
Brown | None. Gel used to separate red cells from serum. | 4.9ml | 1.1ml |
Green | Trisodium citrate | 4.3ml | 1.4ml |
Yellow | Fluoride | 4.9ml or 2.7ml | 1.1ml |
Orange | Lithium Heparin | 9.0ml | 1.1ml |