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

PTPN11 Gene Sequencing



Clinical Utility:
  • Confirmation of a clinical diagnosis
  • To differentiate between the disorders of the Noonan syndrome spectrum
  • Prenatal diagnosis
Lab Method:
Capillary Sequencing Reflex to Exon Array


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


CPT Codes:
New York Approved:
ABN Required:
Billing Information:
View Billing Policy
ICD Codes:
  • 744.9: Unspecified anomalies of face and neck Congenital: anomaly NOS of face [any part] or neck [any part] deformity, NOS of face [any part] or neck [any part]
  • 759.8: Other specified anomalies
* For price inquiries please email


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