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Beaumont Laboratory

Huntingtons Disease, Symptomatic

Huntingtons Disease DNA Test, Testing requires pathology approval prior to collection., Emory Code: HT


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 Sendout 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 Sendout (XMISC).

Specimen Collection Criteria

Collect (Adults): Two Lavender-top EDTA tubes or Yellow-top ACD tubes, after obtaining necessary pathology approval.
Also acceptable (Children/Infants): One Lavender-top EDTA tube or Yellow-top ACD tube, after obtaining necessary pathology approval.

Physician Office/Drawsite 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). (Min: 5.0 mL Adult) (Min: 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. 


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 Sendout Laboratory with any questions.


Sent to Emory Genetics Laboratory, Decatur, GA.


Results available in 14-21 days.

Test Methodology

Polymerase Chain Reaction (PCR)/Fragment size analysis.

CPT Code


Test Codes

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

Last Updated


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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.