Known Familial Copy Number Variant(s)

New York


  • Carrier/Variant-Specific Testing
  • Carrier/Variant-Specific Testing - Nuclear Variants

Clinical Utility

  • Carrier testing for a specific deletion previously identified in a family member at GeneDx.

Lab Method

  • Deletion/Duplication Analysis

Test Code


CPT Codes*

Varies by Gene

ABN Required


Turnaround Time**

2-4 weeks

Preferred Specimen

2-5 mL Blood - Lavender Top Tube

Alternative Specimen

Buccal Swabs

*The CPT codes provided are based on AMA guidelines 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.

**Reporting times are typical and begin once the sample(s) are received at the GeneDx laboratory, but could be extended in situations outside GeneDx’s reasonable control.