Sample type guide
A Lavender Vacutainer, EDTA anticoagulant, 4ml/6ml (6ml EDTA tubes are used for specific PCR assays)
H Green Vacutainer, Lithium heparin anticoagulant, 6ml
AF Amniotic fluid (5mls PCR – 10mls Karyotype)
CVS Chorionic Villus (medium provided by laboratory))