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QuantiFERON-TB Gold In-Tube

Applications and Keys to Accurate Performance


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Blood Collection, cont.

Slide 21

November 2009

On the next slide, we see an example of a QuantiFERON tube set that has been correctly filled to the 1-mL fill line. However, the following images are examples of tubes that have either been under-filled, as seen with the tube on the left, or overfilled, as seen with the tube on the right. These tubes have been drawn incorrectly and this may lead to inaccurate results.

Blood Collection, cont.


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