Huntington's Disease CAG Repeat Analysis

Huntington's disease is an autosomal dominant neurodegenerative disorder caused by an expanded CAG trinucleotide repeat in the HTT gene on chromosome 4.

Indications: Why test HTT?

Diagnostic confirmation in individuals presenting with progressive chorea, cognitive decline, or psychiatric changes.
Predictive genetic testing for adults with a confirmed family history of Huntington’s Disease.

When should I take the test? When clinical symptoms appear or as part of structured predictive testing following formal counseling.

Do I need to fast or prepare? Genetic counseling is required prior to testing.

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Test Summary Specs

Turnaround Time	10 to 14 Business Days
Estimated Cost	KES 32,000 – KES 42,000
Methodology	Targeted PCR / Sanger / NGS Variant Panel
Sample Type	5 mL Peripheral Whole Blood (EDTA), Buccal Swabs, or Prenatal Samples
Clinical Use	Diagnostic Confirmation, Carrier Screening, Reproductive Risk Assessment