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Prenatal Spinal Muscular Atrophy

New York
Approved


Genes

SMN1, SMN2

Conditions

  • Spinal Muscular Atrophy

Clinical Utility

  • ​Molecular confirmation of a clinical diagnosis
  • Identification of at-risk family members
  • Assist with treatment/ management decisions
  • Recurrence risk assessment

Lab Method

  • MLPA

Test Code

TF33

CPT Codes*

81337x1

ABN Required

No

Turnaround Time**

2 weeks

Preferred Specimen

20 mL Amniotic Fluid | 2 T25 flasks of cultured amniocytes | 20 mg CVS | 2 T25 flasks of cultured chorionic villi | Direct or Cultured POC

Alternative Specimen

3 ug Extracted DNA

*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.

**Reporting times are typical and begin once the sample(s) are received at the GeneDx laboratory, but could be extended in situations outside GeneDx’s reasonable control.