Table 1. Recommended order of draw for sample collection.

Order	Contents
1	sterile medium (blood cultures)
2	sodium citrate
3	gel
4	lithium heparin
5	EDTA (transfusion)
6	EDTA (full blood examination)
7	EDTA + Gel
8	fluoride EDTA

EDTA = ethylenediaminetetraacetic acid