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Test Compendium


Test Code

  • 3492

Test Synonym

  • Huntington Disease Mutation Analysis


  • 5 mL

Minimum Volume

  • 3 mL

Specimen Requirements

  • Whole Blood


  • Lavender Top Tube, Yellow Top Tube, Pink Top Tube


  • Refrigerated

CPT Codes

  • 81401
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • A completed HD specific consent form, signed by the patient (or legal guardian) and physician, is required for all specimens. Testing for patients under the age of 18 years or fetal specimens is not offered. Presymptomatic patients are strongly encouraged to be tested through a counseling approved by the Huntington Disease Society of America at (800) 345-4372.

Additional Information

  • 5 mL Whole Blood - Lavender-top (EDTA) tube, yellow-top (ACD) tube or pink-top (K2 EDTA) tube

Specimen Stability

  • AMBIENT: 3 days REFRIGERATED: 1 week FROZEN: 1 month