Cytogenetics Chorionic Villi Sampling (CVS) Chromosome Analysis

CPT 88235; 88267; 88280
Synonyms Karytotype

Test Details

Turnaround Time

9 - 12 days Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.


Determine fetal karyotype

Special Instructions

Please call our Client Services Department prior to sending first specimen. If additional testing such as DNA is indicated, call Client Services for further specimen requirements. If prior NIPT or maternal serum screening studies have been performed, include copy of report.

Specimen Requirements

Information on collection, storage, and volume


Chorionic villi


15-30 mg


Sterile collection tube with Integrated Genetics provided transport medium

Storage Instructions

Maintain specimen at room temperature and transport to the Cytogenetics Laboratory immediately. Do not freeze.

Causes for Rejection

No villi submitted in specimen; improper labeling; frozen specimen; specimen placed in fixative