Prenatal Noonan Spectrum Disorders Panel

New York
Approved

Genes

BRAF, HRAS, KRAS, MAP2K1, MAP2K2, NRAS, PTPN11, RAF1, RIT1, SHOC2, SOS1

Conditions

  • Costello Syndrome
  • Noonan Syndrome
  • Cardio-Facio-Cutaneous Syndrome

Clinical Utility

  • Prenatal ultrasound findings suggestive of Noonan syndrome, including cystic hygroma
  • Fetus with ultrasound anomalies & parent with clinical diagnosis of Noonan syndrome

Lab Method

  • Next-Gen Sequencing

Test Code

357

CPT Codes*

81404x1, 81405x2, 81406x3

ABN Required

No

Turnaround Time**

2-3 weeks

Preferred Specimen

20 mg CVS

Alternative Specimen

20 mL Amniotic Fluid|2 T25 flasks of cultured amniocytes|2 T25 flasks of cultured chorionic villi|3 ug DNA Concentration

*The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

**Turnaround times are estimates and begin once the sample(s) begin processing at the GeneDx lab and could be extended in situations outside GeneDx’s control.

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