Chromosome Analysis, Chorionic Villi Sampling

Sunquest Code:CVSHRCoPath Code:CVSCHR
Epic Code:LAB4711Epic Name:CVS Chromosome Analysis
Sunquest Code (non-Epic sites):CYHOLD  
Methodology:Insitu cell culture. Chromosome analysis by G-banding
Turnaround Time:Results are reported in 8-10 days.
Special Instructions:Notify the laboratory (612-273-3171) when a specimen will be sent. Test request form requires:
  • Date and time of specimen collection
  • Specimen type
  • Patient information: date of birth, sex and medical record number
  • Orderin physician and contact number
  • Reason for referral
  • Clinical status
  • Gestational age
  • Information regarding medications or transfusions
  • Previous or pending genetic testing results
Associated Links:

Genetic Testing Consent Form

Collection Instructions

Specimen:Chorionic villi
Optimal Volume:30 mg of clean villi, free of decidua
Minimum\Peds Volume:10 mg of clean villi, free of decidua
Container:See Collection Instructions
Collection Instructions:Place in media supplied by Cytogenetics Laboratory. Use sterile technique.

Processing and Shipping

Specimen Processing:Do not process. Store at room temperature. Do not refrigerate or freeze.
Specimens must be received in the Cytogenetics Laboratory, Mon-Fri by 5:30 pm. Weekends and holidays by 4:30 pm. Specimens received after these cutoffs will be processed by following day.
Shipping Instructions:Ship at room temperature ASAP. For optimal testing results the specimen must arrive within 24 hours.


Test Performed at or Referral Lab Cytogenetics 

Click HERE to Report test errors or omissions.
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