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Laboratory Medicine

Test catalogue

Huntington Disease

Test Name

Huntington Disease

Lavender Tube Specimen Type / Requirements

Container Type = 2 Lavenders (EDTA)

Minimum Volume = 5mL Whole Blood

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect in lavender (Purple EDTA) top tube. Ensure both samples and requisitions are labeled properly. If the patient has had a blood transfusion, a minimum of 3 weeks between the time of transfusion and blood collection for molecular testing is required. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions: The specimen should be shipped on a Monday to Thursday so that the Laboratory will receive the specimen within 24-48 hours after collection. Ship at room temperature. Specimens held for a few days prior to shipping should be maintained at 4°C.

Rejection Criteria: Incorrect anti-coagulant, serum, unlabeled or Not Sufficient Quantity Samples will be rejected.

Stability: Stable at room temperature for 24 - 48hours, refrigerated for 5 days.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

2-3 Weeks

Test Utilization

Reference Value

See Interpretative Report

Test code



Sequencing, PCR

Testing Location

Referred Out – ON, Canada (RONYG09)

Other Information

Last Updated: June 06, 2019