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

Prenatal SRY Gene Sequencing



Clinical Utility:
  • Full gene sequencing testing for fetuses with prenatal ultrasound findings suggestive of 46,XY gonadal dysgenesis
  • Mutation-specific testing for fetuses with a family history of a known SRY mutation
Lab Method:
Capillary Sequencing


Test Code:
Turnaround Time:
2-3 weeks
Preferred Specimen:
20 mL Amniotic Fluid
Alternative Specimen:
20 mg CVS, 2 T25 flasks of cultured amniocytes, 2 T25 flasks of cultured chorionic villi


CPT Codes:
81400x1, 81265x1
New York Approved:
ABN Required:
Billing Information:
View Prenatal Billing Policy
ICD Codes:
  • 655.83: Other known or suspected fetal abnormality, not elsewhere classified
  • 655.23: Hereditary disease in family possibly affecting fetus
* For price inquiries please email


  1. Tagliarini et al., (2005) Braz J Med Bio Res 38:17-25
  2. Paris et al., (2007) Fertil Steril 88:1437e21-25
  3. Cameron, et al., (1997) Hum Mutat 9: 388-395
  4. Vilain (Updated May 2009).46,XX Testicular Disorder of Sex Development
  5. Sarafoglou et al., (2000) J Clin Endocrinol Metab 85:483-493
  6. Hawkins, J. (1992) Am J Hum Genet 51: 979-984
  7. Scherer et al., (1998) Cytogenet Cell Genet 80:188-192

Back To Top