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

MECP2 Gene Sequencing & Del/Dup



Clinical Utility:
  • Confirmation of clinical diagnosis
  • Differentiation between de novo and familial cases
  • Prenatal diagnosis in at-risk pregnancies
Lab Method:
Capillary Sequencing


Test Code:
Turnaround Time:
4-6 weeks
Preferred Specimen:
2-5 mL Blood - Lavender Top Tube


CPT Codes:
81302x1, 81304x1
New York Approved:
ABN Required:
Billing Information:
View Neurology Billing Policy
ICD Codes:
  • 315.3: Developmental speech or language disorder
  • 299: Pervasive developmental disorders
  • 315.9: Unspecified delay in development, Developmental disorder NOS, Learning disorder NOS
  • 299: Autistic disorder [0-1], Childhood autism, Infantile psychosis, Kanner's syndrome
* For price inquiries please email


  1. Zeev et al. J Child Neurol 17:20-24, 2002
  2. del Gaudio et al. Gene Med 8:784-792, 2006
  3. Van Esch H. et al. Am J Hum Genet 77,:442-453, 2005
  4. Neul et al. Neurology 70:1313-1321, 2008
  5. Bebbington et al. Neurology 70:868-875, 2008
  6. Debona et al. Eur J Hum Genet 8:325-330, 2000
  7. Hitchins et al. Am J Med Genet A 125:167-172, 2004
  8. Couvert et al. Hum Mol Genet 10:941-946, 2001
  9. Kleefstra et al. Eur J Hum Genet 12:24-28, 2004
  10. Abdul-Rahman et al. Genet Med 8:50-54, 2006
  11. Carney et al. Pediatr Neurol 28:205-211, 2003
  12. Villard. J Med Genet 44:417-423, 2007, Bunyan et al. Genet Test 12:373-376, 2008

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