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

SDHC Gene Sequencing



Clinical Utility:
  • Confirmation of a clinical diagnosis
  • Differentiation of PGL/PCC syndrome from other hereditary cancer predisposition syndromes, such as MEN2, VHL and NF1
  • Identification of family members at-risk for paraganglioma/pheochromocytoma
  • Genetic counseling and recurrence risk assessment
  • Prenatal diagnosis in families with a known mutation
Lab Method:
Capillary Sequencing


Test Code:
Turnaround Time:
4-6 weeks
Preferred Specimen:
2-5 mL Blood - Lavender Top Tube
Alternative Specimen:
Oral Rinse (30-40 mL), Dried Blood Spots


CPT Codes:
New York Approved:
ABN Required:
Billing Information:
View Billing Policy
ICD Codes:
  • 255.6: Medulloadrenal hyperfunction, Catecholamine secretion by pheochromocytoma
  • 194: Adrenal gland, Adrenal cortex, Adrenal medulla, Suprarenal gland
* For price inquiries please email


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