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

GPC3 Gene Sequencing (Males)



Clinical Utility:
  • Confirmation of a clinical diagnosis
  • Carrier testing in individuals with a known familial GPC3 mutation
  • Prenatal diagnosis in at-risk pregnancies
Lab Method:
Capillary Sequencing


Test Code:
Turnaround Time:
4-5 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 Neurology Billing Policy
ICD Codes:
  • 319: Unspecified mental retardation, Mental deficiency NOS, Mental subnormality NOS
  • 750.15: Macroglossia Congenital hypertrophy of tongue
  • 766.1: Other "heavy-for-dates" infants, Other fetus or infant "heavy-" or "large-for-dates" regardless of period of gestation
  • 759.89: Other Congenital malformation syndromes affecting multiple systems
  • 775.6: Neonatal hypoglycemia
* For price inquiries please email


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  4. Sakazume, et al., (2007) Am. J. Med. Genet. 143A: 1703-1707
  5. Li, et al., (2001) Am. J. Hum. Genet. 102:161-168
  6. Veugelers, et al., (2000) Hum. Mol. Genet. 9:1321-1328
  7. Pilia et al., (1996) Nat Genet 12:241-247
  8. Rodriguez-Criado et al., (2005) Am J Med Genet A 138A:272-277
  9. Neri, et al., (1998) Am. J. Hum. Genet. 79:279-283
  10. Lapunzina (2005) Am J Med Genet C 137C:53-71

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