Huntington Disease Analysis

• CPT Code: 81401
• LOINC:
• Specimen Type: EDTA or ACD
• Frequency: Setup: Tuesday; Analytic time 4 days
• Instructions: 3mL whole blood in original lavender tube. Ambient. ACD whole blood acceptable. Must arrive at Mayo within 96 hrs of collection.
• Text: Useful for molecular confirmation of clinically suspected cases of Huntington disease; presymptomatic testing for individuals with a family history of Huntington and a documented expansion in the HTT gene.
• Methodology: Polymerase Chain Reaction (PCR)