FISH, Prenatal Screen
Test code
CPT code(s)*
Test resources
Test FAQ
Details
Methodology
Fluorescence in situ Hybridization (FISH)
Assay category
The analytical performance characteristics of this assay have been determined by Quest Diagnostics. The modifications have not been cleared or approved by the FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Alternative name(s)
Prenatal Screen, FISH,Aneuploidy Screen, AneuVysion™, FISH
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 20 mL amniotic fluid in a sterile screw-cap container or 30 mg chorionic villus sample in culture media |
| Minimum volume | 5 mL amniotic fluid • 10 mg chorionic villus sampling |
| Collection instructions | Amniotic fluid: 20 mL in a sterile container Chorionic villus sample: 30 mg chorionic villi in sterile container with Hanks', Ringer's solution or culture medium with antibiotics. CVS media available upon request. |
| Transport container | Sterile container or Culture media |
| Transport temperature | Room temperature |
| Specimen stability | Specimen viability decreases during transit. Send specimen to testing lab for viability determination. Do not freeze. Do not Reject. |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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