Genetic Testing Company | The DNA Diagnostic Experts | GeneDx

In observance of Labor Day, GeneDx will be closed and will not accept specimens on Monday, September 7, 2015.  We will resume our normal schedule on Tuesday, September 8, 2015.  If you have any questions or inquiries, please call us at 301-519-2100 or email us at

PSAP Gene Sequencing



Clinical Utility:
  • Confirmation of biochemical diagnosis
  • Testing of patients with the phenotype of metachromatic leukodystrophy, Gaucher disease or Krabbe disease without the characteristic in vitro enzyme deficiency.
  • Carrier testing
  • Prenatal diagnosis in at risk pregnancies
Lab Method:
Capillary Sequencing Reflex to Exon Array


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


CPT Codes:
New York Approved:
ABN Required:
Billing Information:
View Billing Policy
ICD Codes:
  • 330.2: Cerebral degeneration in generalized lipidoses; Code first underlying disease, as: Fabry's disease (272.7), Gaucher's disease (272.7), Niemann-Pick disease (272.7), sphingolipidosis (272.7)
  • 330.0: Leukodystrophy
  • 272.2: Mixed hyperlipidemia, Broad- or floating-betalipoproteinemia, Combined hyperlipidemia, Elevated cholesterol with elevated triglycerides NEC, Fredrickson Type IIb or III hyperlipoproteinemia, Hypercholesterolemia with endogenous hyperglyceridemia, Hyperbetalipoproteinemia with prebetalipoproteinemia, Tubo-eruptive xanthoma Xanthoma tuberosum
  • 272.7: Lipidoses (Fabry Disease)
* For price inquiries please email


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