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TTR Gene Sequencing

New York
Approved


Genes

TTR

Conditions

  • Familial Amyloid Polyneuropathy
  • Transthyretin Amyloidosis

Clinical Utility

  • Confirmation of a clinical diagnosis
  • Differentiation between cardiac amyloidosis and other cardiomypopathies
  • Carrier testing in at-risk family members
  • Prenatal diagnosis in families with a known pathogenic variant

Lab Method

  • Capillary Sequencing

Test Code

363

CPT Codes*

81404x1

ABN Required

No

Turnaround Time**

4-5 weeks

Preferred Specimen

2-5 mL Blood - Lavender Top Tube

Alternative Specimen

Buccal Swabs | Dried Blood Spots

*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.