Lab Test

Huntington's Disease, Symptomatic

Disease DNA Test

Test Codes

Testing requires pathology approval prior to collection, Emory Code: HT

Department

Send Outs

Instructions

This test is not included in the Beaumont Laboratory testing formulary, however, the Laboratory can facilitate specimen collection.

  • This test requires pathology review. Contact the Send Outs Laboratory at 248-551-9045 before ordering this test.
  • Testing requires the ordering physician to complete forms for the independent clinical laboratory performing the testing.
  • This test will be billed to the patient's insurance. If not covered by insurance, the patient is responsible for the full cost of testing.
  • Specimens received without the appropriate forms and information will not be shipped.
  • Once approved, order test as a Miscellaneous Send Outs (XMISC).
  • Consent form must also be signed.
Requisition Link:
https://www.egl-eurofins.com/requisition/Molecular

Consent Form Link:
https://www.egl-eurofins.com/asset/repository/consent-forms/huntington-disease-consent.pdf?t=5

Specimen Collection Criteria

Collect (Adults): Two Lavender-top EDTA tubes.

Also acceptable (Children/Infants): One Lavender-top EDTA tube.

Physician Office/Draw Specimen Preparation

Do not centrifuge. Maintain whole blood at room temperature (20-26°C or 68-78.8°F) prior to transport. Pathology review and all appropriate forms must be completed prior to specimen transport.

Preparation for Courier Transport

Transport: 10.0 mL whole blood with all appropriate forms and information, at room temperature (20-26°C or 68-78.8°F). (Minimum: 5.0 mL Adult) (Minimum: 2.0 mL Children)

Rejection Criteria

  • Specimens received without prior Laboratory notification and review.
  • Centrifuged specimens.
  • Frozen specimens.
  • Specimens not collected and processed as indicated. 

In-Lab Processing

Do not centrifuge. Maintain whole blood at room temperature (20-26°C or 68-78.8°F) prior to transport. Pathology review and all appropriate forms must be completed prior to specimen transport.

Transport: 10.0 mL whole blood with all appropriate forms and information, at room temperature (20-26°C or 68-78.8°F). (Minimum: 5.0 mL Adult) (Minimum: 2.0 mL Children)

Ship within 72 hours of draw.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 5 days
Refrigerated (2-8°C or 36-46°F): 5 days
Frozen (-20°C/-4°F or below): Unacceptable

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Emory Genetics Laboratory / Eurofins, Tucker, GA.

Performed

Varies.
Results available in 14-21 days.

Test Methodology

Polymerase Chain Reaction (PCR)/Fragment size analysis.

CPT Codes

81401

Contacts

Last Updated

10/5/2023

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