Deletion / Duplication

New York

Clinical Utility

  • To evaluate for deletions in genes associated with disorders for which haploinsufficiency is a known mechanism of disease.
  • To evaluate for deletions or duplications when a single sequence variant has been identified in a gene associated with an autosomal recessive disorder.
  • Deletion/duplication analysis by ExonArrayDx may be requested for a single gene (test code 906) or for a custom panel of up to 20 genes (test code 703).

Test Code


CPT Codes*

Varies by Gene

ABN Required


Turnaround Time**

3-4 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.