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Sequence for Drawing Multiple Blood Specimens with Vacutainers ("Order of Draw")

Specialty:

Clinical Laboratory

Objective:

ICD-10:

Description:

A patient may have to have blood samples collected into several different types of vacutainers from a single venipuncture. The presence of an additive in the vacutainer in theory could contaminate the next tube. Therefore, vacutainers should be drawn in a sequence that will minimize this effect.

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