Huntington's Disease, Symptomatic

Huntington's Disease DNA Test

Test Codes

Order Miscellaneous Send Out, Prevention Code: 2299 Prevention Genetics

Department

Send Outs

Instructions

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

• Testing requires the ordering physician to complete forms for the independent clinical laboratory performing the testing. For the forms, please go to: https://www.preventiongenetics.com/forms and download the “Standard Test Requisition Form.”
• 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 may delay shipment of specimen.
• Order test as a Miscellaneous Send Outs (XMISC).

Specimen Collection Criteria

Collect: Lavender-top EDTA tubes or Yellow-top ACD tubes, after obtaining necessary pathology approval.

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. All appropriate forms must be completed prior to specimen transport.

Preparation for Courier Transport

Transport: 3.0-5.0 mL whole blood with all appropriate forms and information, at room temperature (20-26°C or 68-78.8°F).

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. All appropriate forms must be completed prior to specimen transport.

Transport: 3.0-5.0 mL whole blood with all appropriate forms and information, at room temperature (20-26°C or 68-78.8°F).

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 8 days
Refrigerated (2-8°C or 36-46°F): 8 days
Frozen (-20°C/-4°F or below): 1 month

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 Prevention Genetics, Marshfield, WI.

Performed

Varies.
Results available in 21 days.

Test Methodology

Polymerase Chain Reaction (PCR)/Fragment size analysis.

CPT Codes

81271

Contacts

Last Updated

2/22/2024