In order to ensure 2023 billing, testing must be activated before the end of the year, or within 30 days of proband sample collection (if sample was collected in 2023). For Exome, Genome, or Xpanded testing, if you do not expect parental samples to be received in time for testing to be activated with 2023 billing, please contact us at [email protected] to determine how to proceed.

X-linked Congenital Nystagmus (FRMD7)

Genes

FRMD7

Clinical Utility

  • Confirmation of a clinical diagnosis
  • Differentiating FRMD7-related CIN from other genetic and non-genetic forms of nystagmus
  • Development of an appropriate management plan
  • Carrier testing

Lab Method

  • Capillary Sequencing
  • Deletion/Duplication Analysis

Test Code

TA93

CPT Codes*

81479x1

ABN Required

No

Turnaround Time**

3 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.

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