Custom Slice Xpanded® (>150 Genes)

NY Approved

Test Overview

Clinical Utility

  • For large custom gene lists of 150 or more genes as proband-only or trio analysis
  • Identification of underlying molecular cause of clinical diagnosis
  • Recurrence risk assessment

Test Details

Lab Method

  • Next-Gen Sequencing

Ordering Information

Test Code: J757
CPT Codes*: Varies by Genes
ABN Required: No
Turnaround Time**: 6 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.

**Turnaround times are estimates and begin once the sample(s) begin processing at the GeneDx lab and could be extended in situations outside GeneDx’s control.

Resources

Test Documents

Billing

Targeted Variant Testing

FAQs