Chorionic Villus Sampling (CVS) Chromosome Analysis

Collection Procedure

Aseptically transfer the specimen into sterile plastic conical tubes containing sterile transport medium.  Label tube with patient’s name and date of birth.  A completed test requisition form must be included with every sample.  A transport media is available upon request.  It is recommended that CytoGenX provide sterile transport media.  Contact client services at 888-436-3633  for Chorionic Villus Sampling lab testing information.

Specimen Requirements

5-20 mg chorionic villi tissue

Specimen Container

Sterile 15ml screw cap container containing sterile transport medium


Cell culturing of the Chorionic Villus Sampling (CVS) tissue to identify both numerical and structural chromosome abnormalities

Transport Temperature

Room temperature (DO NOT refrigerate, freeze or centrifuge)

Causes for Rejection

Frozen specimen, absence of fetal tissue, inappropriate transport medium

Turnaround Time

5-10 days