Genetic Testing Company | The DNA Diagnostic Experts | GeneDx

In observance of Independence Day, GeneDx will be closed on Friday, July 3rd, and Saturday, July 4th. Nevertheless, all specimens arriving on Friday, July 3rd will be accepted, accessioned and processed. We will not accept specimens on Saturday, July 4th. We will resume our normal Monday through Saturday schedule on Monday, July 6, 2015. Please also note that FedEx works on a modified schedule on Friday, July 3rd and FedEx and UPS are closed on Saturday, July 4th. If you have any questions or inquiries, please call us at 301-519-2100 or email us at

GUCA1A Del/Dup



Clinical Utility:
  • Confirmation of a clinical diagnosis
  • To differentiate adRP from other forms of retinal dystrophy
  • Recurrence risk assessment
  • Prenatal diagnosis
Lab Method:
Capillary Sequencing


Test Code:
Turnaround Time:
5-6 weeks
Preferred Specimen:
2-5 mL Blood - Lavender Top Tube


CPT Codes:
New York Approved:
ABN Required:
Billing Information:
View Billing Policy
ICD Codes:
  • 362.74: Pigmentary retinal dystrophy, Retinal dystrophy, albipunctate, Retinitis pigmentosa
  • 743.55: Congenital macular changes
  • 743.53: Chorioretinal degeneration, congenital
  • 362.75: Other dystrophies
  • 743.54: Congenital folds and cysts of posterior segment
  • 362.7: Hereditary retinal dystrophies
* For price inquiries please email


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