CVS / AF / A 
 Clinical history must be provided.
Sample type guide
Lavender Vacutainer, EDTA anticoagulant, 4ml/10ml (10ml EDTA tubes are used for specific PCR assays)
Amniotic fluid (5mls PCR – 10mls Karyotype)
Chorionic Villus (medium provided by laboratory))
See the Sample Requirements page for an explanation of all the sample requirements.
See the Special Instructions Legend page for a full list of special instructions.
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