ARUP's Laboratory Test Directory

Chorionic Villus, FISH : 0040203
[ image for: Cytogenetics Test Request Form Recommended]
Cytogenetics Test Request Form Recommended
[ image for: Patient History for Prenatal Cytogenetics]
Patient History for Prenatal Cytogenetics


Mnemonic: FISHCVS

Methodology: Fluorescence in situ Hybridization
Performed: Sun-Sat
Reported: 1-3 days
Specimen Required: Collect: Thaw media prior to collection. Chorionic villus in a sterile, screw-top container filled with tissue culture transport medium (ARUP Supply #32788). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.

Specimen Preparation: DO NOT FREEZE. Do not place in formalin. Transport chorionic villus (CVS) specimen in a sterile, screw-top container filled with tissue culture transport medium.

Storage/Transport Temperature: Room temperature.

Remarks: This test must be ordered using Cytogenetic test request form #43097 or through your ARUP interface. Submit the Patient History for Cytogenetic (Chromosome) Studies with the electronic packing list (available at http://www.aruplab.com/genetics/forms.php).

Unacceptable Conditions: Frozen specimens. Specimens preserved in formalin.

Stability (collection to initiation of testing): Ambient: 48 hours; Refrigerated: 48 hours; Frozen: Unacceptable

Interpretive Data:



Counseling and informed consent are recommended for genetic testing. Consent forms are available online at www.aruplab.com.

See Compliance Statement C: www.aruplab.com/CS
Note: After specimen receipt, results are generally available in an average of 4 days.

This test must be ordered using a Cytogenetic test request form 43097 or through your ARUP interface.  Please submit the Patient History Form - Chromosome Studies with the Electronic Packing List.  The form is available on ARUP's Web site, http://www.aruplab.com/patienthistory
CPT Code(s): 88271 x5; 88275; 88291