L1CAM Gene Sequencing & Del/Dup

NY Approved

Test Overview

Clinical Utility

  • Patients with hydrocephalus and at least one L1CAM–associated finding
  • Carrier testing in female relatives
  • Risk assessment

Test Details

Genes

L1CAM

Conditions

  • CRASH Syndrome
  • MASA Syndrome

Lab Method

  • Deletion/Duplication Analysis
  • Next-Gen Sequencing

Ordering Information

Test Code: 552
CPT Codes*: 81407x1
ABN Required: No
Turnaround Time**: 3 weeks
Preferred Specimen: 2-5 mL Blood - Lavender Top Tube
Alternative Specimen: Buccal Swabs | Extracted DNA

*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