Genetic Testing Company | The DNA Diagnostic Experts | GeneDx

In observance of the holiday, GeneDx will be closed for business on Thursday, November 27, 2014, and will be unable to receive and process specimens. FedEx and UPS will also not operate. We will accept specimens on Friday, November 28, and  will resume our normal work schedule on Saturday, November 29, 2014.  If you have any questions or inquiries, please call us at 301-519-2100 or email us at zebras@genedx.com.

LCA Tier 4

FORMS AND DOCUMENTS

TEST DETAILS

Genes:
GUCY2D
Disorders:
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

ORDERING

Test Code:
2983
Turnaround Time:
5-7 weeks
Preferred Specimen:
2-5 mL Blood - Lavender Top Tube

BILLING

CPT Codes:
81479x1
New York Approved:
No
ABN Required:
Yes
Billing Information:
View Billing Policy
ICD Codes:
  • 362.76: Dystrophies primarily involving the retinal pigment epithelium, Fundus flavimaculatus, Vitelliform dystrophy
  • 362.74: Pigmentary retinal dystrophy, Retinal dystrophy, albipunctate, Retinitis pigmentosa
  • 743.56: Other retinal changes, congenital
  • 743.55: Congenital macular changes
  • 743.53: Chorioretinal degeneration, congenital
  • 362.75: Other dystrophies
* For price inquiries please email zebras@genedx.com

REFERENCES

  1. Sohocki (2000) Mol. Genet. Metab. 70, 142–150
  2. Bernal S (2003) J Med Genet 40:e89
  3. den Hollander (1999) Nat Genet 23:217–221
  4. den Hollander (2004) Hum Mutat 24:355-69
  5. den Hollander (2001) Am J Hum Genet 69:198–203
  6. Morimura H (1998) Proc Natl Acad Sci 95:3088–3093
  7. Koenekoop (2005) Ophthalmic Genetics 26:175-179
  8. Booij J (2007) J Med Genet 42:67-75
  9. Stone E (2007) Am J Ophthalmol 144(6):791-811
  10. Koenekoop R (2007) Clin and Experimental Ophthalmology 35:473-485
  11. den Hollander AI (2008) Progress in Retinal and Eye Research 27:391-419
  12. Hanein S (2004) Hum Mutat 23:306-317
  13. Browne SJ (2006) Invest Ophthalmol Vis Sci 47(1):34-42
  14. den Hollander AI (2006) Am J Hum Genet 79(3):556-61
  15. Ito S (2004) Invest Ophthalmol Vis Sci 45(5):1480-5

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