GeneDx and Sema4 are now a combined company  Learn more

Cone-rod Dystrophy (GUCY2D)


Genes

GUCY2D

Clinical Utility

  • Confirmation of a clinical diagnosis
  • To differentiate LCA from other forms of retinal dystrophy
  • Recurrence risk assessment
  • Prenatal diagnosis

Lab Method

  • Capillary Sequencing
  • Deletion/Duplication Analysis

Test Code

TA82

CPT Codes*

81479x1

ABN Required

No

Turnaround Time**

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.