How is blood collected for the test?

10 ml of venous blood are collected. The procedure is analogous to taking blood for morphological testing. However, the test tube differs (it has a camo plug), because the blood cells have to be protected against disintegration and contamination of the cell-free DNA. The analysis itself requires 10 ml of blood sample. The testing doesn’t require fasting. As before the usual blood draw, it is good to drink extra liquid.