Huntingdon Disease (HD) CAG Repeat Expansion
Collect lavender EDTA/2.0 mL whole blood, send with completed Huntington Disease form.
Fully filled out HD form required for testing.
Polymerase Chain Reaction (PCR)/Fragment Analysis
Room temp: 7 days, Refrigerated: 1 month, Frozen: Unacceptable
The reference range is determined by the performing laboratory and will show on the report.