Specimen:

Chorionic Villi (CV)

Minimum:

Specimen obtained by the referring staff physician.  Aseptically obtain 
20-30 mg of chorionic villi.  Immediately place specimen in the media 
tube provied.  DO NOT FREEZE OR CENTRIFUGE.   Immediately send specimen 
at room temperature.  Label tubes with patient name and medical record 
number.

Delivery Instructions:

Submit specimen to laboratory as soon as possible after collection.

Specimen
Instructions:

Make arrangements with the Cytogenetics lab before sending the
specimen.  If a specimen is collected over the weekend, please page the 
technologist on call by dialing 1-888-533-0186.  When it stops ringing, 
enter your phone number, the '#' sign, and hang up.  Provide details of 
clinical information and family history (if applicable).

Testing Schedule:

Direct requests for performing CVS procedure to the Prenatal Clinic in 
the Department of Obstetrics and Obstetrics (356-3561).

Analytic Time:

Allow 10-12 days for results.

Reference Range:

Male: 46,XY     Female: 46,XX

Comments:

A repeat will be requested if there is no cell growth after 10 days.

Cytogenetics Laboratory Web Site

CPT Code:

88235, 88267

See Additional Information:
Cytogenetics Testing