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Familial Exudative Vitreoretinopathy (FEVR) Panel

New York
Approved


Genes

FZD4, LRP5, NDP, TSPAN12

Conditions

  • Familial Exudative Vitreoretinopathy

Clinical Utility

  • Poor vascularization of the peripheral retina seen on fundus fluorescein angiography
  • Vision loss in addition to retinal detachment, dragged macula, neovascularization, whiteness of the pupil (leukocoria), intraretinal hemorrhage and exudation
  • Osteopenia and osteoporosis in addition to ocular findings above
  • Potentially normal vision and absence of any ocular symptoms despite abnormal retinal blood vessels development

Lab Method

  • Exon Array Dx
  • Sanger/ABI sequencing

Test Code

J955

CPT Codes*

81403x1; 81404x1; 81406x1; 81479x1

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.

**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.