Chromosome FISH, Chorionic Villus with Reflex to Chromosome Analysis or Genomic Microarray


Sunquest Code:CVFISR  
Epic Code:LAB8103Epic Name:FISH CV w Reflex to Chromosome or Array
Synonyms:Common Trisomy FISH Panel; NIPD Confirmation; CVS
Methodology:Fluorescence in situ hybridization
Turnaround Time:Performed 7 days/week; results are reported within 1-3 days. If reflexed: 1-2 weeks required for chromosome analysis or microarray.
Special Instructions:Submit the Patient History for Cytogenetic (Chromosome) Studies with the electronic packing list. See Associated Links.
Compliance:

The performance characteristics of this test were validated by ARUP Laboratories, Inc. The U.S. Food and Drug Administration (FDA) has not approved or cleared this test. However, FDA approval or clearance is currently not required for clinical use of this test. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. ARUP is authorized under Clinical Laboratory Improvement Amendments (CLIA) and by all states to perform high-complexity testing.

Associated Links:

Patient History for Cytogenetic Chromosome Studies



Collection Instructions

Specimen:Chorionic villi
Optimal Volume:30 mg
Minimum\Peds Volume:10 mg
Container:Tissue Culture Transport Medium ARUP 32788
Collection Instructions:Thaw media prior to collection. Transport chorionic villus (CVS) specimen 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.
Causes for Rejection:Frozen specimens. Specimens preserved in formalin.


Processing and Shipping

Specimen Processing:Do not process. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Stability:48 hours at room temperature or refrigerated. Do not freeze.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2011131


Interpretive

Reference Range:Normal.
Use:Rapid detection of aneuploidy involving chromosomes X, Y, 13, 18, and 21. If the FISH results are abnormal, the specimen will reflex to chromosome analysis for mechanism determination. If the FISH results are normal, the specimen will reflex to genomic microarray.


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