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HelpTest Code CGFCV FISH, prenatal, chorionic villi
Specimen and Container/Tube
Chorionic villus collected in a specimen cup with transport media (provided by the laboratory). Arrangements for media should be made prior to sample collection
Rejection Criteria
>72 hours after collection
Reference Values
Interperative Report
Critical Values
N/A
Turnaround Time
N/A
CPT Codes
88271 x 5;
88275
LOINC Codes
N/A
Volume
Preferred: 10-30mg villi
Amount needed by test: BU Culture: 5-15mg villi AneuVysion: 5-15mg villi
Specimen Stability
Keep at room temperature and deliver to the lab within 24 hours. If specimen will sit for more than 24 hrs, please refrigerate at 4°C until specimen can be picked up by the laboratory
Collection Instructions
Specimen should be collected in a sterile specimen cup with transport media (provided by the lab). Keep at room temperature until sample is collected by the lab.
Last Review Date
12/15/2022
Additional Information
Test Limitations: AneuVysion does not detect structural chromosome abnormalities, mosaicism, and numerical abnormalities of other chromosomes.
Synonyms/Search Keyword
FISH
Clinical Indications
AneuVysion is indicated for the rapid diagnosis of aneuploidy for chromosomes 13, 18, 21, X and Y.
Specimen Handling & Transport Instructions
Once the specimen is collected, the laboratory should be called at 2-6203 for sample pickup. CVS specimens should NOT be tubed!
Test Components
AneuVysion FISH (includes probes for chromsomes 13, 18, 21, X, Y)
Methodology
Dual or tri-color fluorescent DNA probes with DAPI counterstain