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How soon do I have to post my sample after testing?

Due to the nature of the wet blood sample, your blood sample must be posted to the lab using the pre-paid envelope on the day the sample is taken. The microtube contains chemicals which prevent blood clotting, any delays may affect the laboratory’s ability to take a sample.

It’s important to post your sample Monday – Thursday, this reduces the time spent in the postal system and speeds up the sample getting to the lab.

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