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STAT Prenatal Targeted CNV Analysis

Omics test Model
Test Code D0999E
Test Summary

STAT prenatal targeted copy number variation (CNV) analysis
Turn Around Time 3 weeks
Acceptable Sample Types Cultured Amniocytes , Cultured Chorionic Villi , DNA, Isolated , Products of Conception
Acceptable Billing Types Institutional Billing , Self (patient) Payment
NY Approved No
Self (patient) Price $1,100.00
Institutional Price $1,300.00
*TAT starts after the sample and all required sample information is received at the processing laboratory.

**The CPT codes listed are in accordance with Current Procedural Terminology, a publication of the American Medical Association, and are provided for informational purposes only. CPT coding is the sole responsibility of the billing party.

This testing service has not been cleared or approved by the U.S. Food and Drug Administration. Testing services may not be licensed in accordance with the laws in all countries. The availability of specific test offerings is dependent upon laboratory location.
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Test Code: D0999E
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STAT Prenatal and Fetal Testing Requisition Form

Test Description

This STAT test is for prenatal use and involves testing for the presence or absence of a known copy number variant (CNV) that was previously detected at Revvity Omics.

Maternal cell contamination (MCC) is offered as a stand-alone test and is required to accompany prenatal testing for samples derived from amniotic fluid, and chorionic villi sampling. MCC study can be requested on other prenatal / fetal samples at the ordering provider's discretion.

Indications for Testing

  • Abnormal NIPT result
  • Abnormal maternal serum screen

Condition Description

The purpose of this test is to find the underlying genetic cause for the prenatal findings.

Detailed Sample Requirements

Cultured Chorionic Villi
Test Details Page
Collection Container(s) Two T-25 flasks
Collection

All prenatal specimens will be tested for maternal cell contamination (MCC). Send maternal blood (EDTA tube) for comparison. If blood is unavailable, we will accept genomic DNA and Saliva sample types.
Sample Condition Transfer cultured amniocytes or cultured CVS to two T-25 flasks at ≥80% confluence.
Shipping Cultures topped off with sterile medium and shipped immediately at ambient temperature by overnight express with arrival Monday-Friday only.
Special Sample Instructions For prenatal samples, Revvity Omics will provide a shipping label to use for shipping the sample to our lab. Please call 1 (866) 354-2910 to arrange this. At this time, you will also be connected to a laboratory genetic counselor to answer any questions about the testing. For samples originating outside of the United States, please contact your nearest Revvity Omics laboratory for more information.
Products of Conception
Test Details Page
Collection Container(s) Sterile, screw-top container filled with tissue culture transport medium.
Collection

All prenatal specimens will be tested for maternal cell contamination (MCC). Send maternal blood (EDTA tube) for comparison. Transport products of conception and/or fresh tissue (minimum: 10 mg) in a sterile, screw-top container filled with tissue transport medium. Do not place in formalin. If the specimen is too large for a normal collection tube, a larger sterile container can be used.
Sample Condition If the autopsy is performed: Facia lata, diaphragm, tendon, skin, tissue from internal organs (if fresh), chest wall cartilage (particularly if macerated), or placenta from fetal side. If no autopsy is performed: Placenta from fetal side is preferred, e.g., villi. Umbilical cord is also acceptable. State clearly in the TRF whether the tissue was of fetal or placental in origin.
Shipping Shipped immediately at ambient temperature or with a cold pack, especially under hot weather to the laboratory by overnight express with arrival Monday-Friday only. Alternatively, fresh POC and/or tissue samples can be snap-frozen and kept at -80°C. Frozen tissue samples should be shipped overnight on dry ice with arrival Monday-Friday only - NO WEEKEND SHIPMENTS!
Special Sample Instructions For prenatal samples, Revvity Omics will provide a shipping label to use for shipping the sample to our lab. Please call 1 (866) 354-2910 to arrange this. At this time, you will also be connected to a laboratory genetic counselor to answer any questions about the testing. For samples originating outside of the United States, please contact your nearest Revvity Omics laboratory for more information.
Cultured Amniocytes
Test Details Page
Special Sample Instructions Please contact a Revvity Omics Laboratory genetic counselor for information on prenatal test requests and acceptable sample types.
DNA, Isolated
Test Details Page
Collection

Required DNA Quantity by Test Type*:

  • Next Generation Sequencing (NGS): Send >1000 ng total gDNA @ >15 ng/μL. Please ship samples in 10mM Tris. Do not use EDTA.
  • Sanger Sequencing: Send >500 ng total gDNA @ >15 ng/μL (varies by the size of the gene and the variants requested).
  • Non-Sanger Sequencing Tests: Send >500 ng total gDNA @ >15 ng/μL.
Sample Condition * Required DNA Quality: High molecular weight DNA (>12kb). A260/A280 reading should be ≥ 1.8. A260/230 a ratio range of 1.8 to 2.2. Contact the laboratory for specific amounts if total ng cannot be met.
Shipping Ship overnight at ambient temperature.
Special Sample Instructions
  • Research Laboratories: DNA extracted in research laboratories is not acceptable. Only under exceptional circumstances (e.g., proband not available) will DNA extracted in a research laboratory be accepted for clinical testing. Additional testing (e.g., of other family members) may be required to confirm results.
  • Laboratories outside the United States: Non-US laboratories are not subject to CLIA regulations and will be reviewed on a case-by-case basis. Please call to speak with a laboratory genetic counselor before submitting a DNA sample from any non-CLIA-certified laboratory.
  • Special Notes: If extracted DNA is submitted, information regarding the method used for extraction should be sent along with the sample.

Resources

STAT Prenatal and Fetal Testing Requisition Form
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