In what order should blood tubes be filled when drawing for multiple tubes? order of draw?

Rather technical question as to the order of blood samples drawn from the same patient.

1. blood-culture tube

2. coagulation tube

3. non-additive tube

4. additive tubes in following order

- SST

- sodium heparin

- PST

- EDTA

- ACDA or ACDB

- oxalate/fluoride

Ref: med.utah.edu

Other references could provide a different order, for example, the last few items. It is important to conform to the guidelines at the place of work.

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