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ABCD1 Gene Sequencing & Del/Dup

New York




  • X-linked adrenoleukodystrophy

Clinical Utility

  • Molecular confirmation of a clinical diagnosis.
  • Testing of patients suspected of having X-linked adrenoleukodystrophy.
  • Prenatal diagnosis for known familial mutation(s) in at-risk pregnancies

Lab Method

  • Capillary Sequencing
  • MLPA

Test Code


CPT Codes*

81405x1; 81479x1

ABN Required


Turnaround Time**

4 weeks

Preferred Specimen

2-5 mL Blood - Lavender Top Tube

Alternative Specimen

Not recommended. For more information, please contact your sales representative, or GeneDx Customer Service at (888) 729-1206 /

*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.