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Spinocerebellar ataxia (SCA) is a progressive, degenerative, genetic disease with multiple types, each of which could be considered a disease in its own right.
This entry is relevant to types 1, 2, 3, 6, 7 and 15).
Genome-wide chromosome microarray (molecular karyotype)
Polymerase chain reaction (PCR)
Diagnostic: 8 weeks
Prenatal: 3 weeks
SCA 15: 3-6 weeks
Bulk billed for Medicare eligible.
Non-Medicare up to $394.55
SCA genes 1, 2, 3, 6 & 7 are tested simultaneously (excluding SCA 15).
SCA 15 is tested by microarray and must be requested specifically. This test will not automatically be performed with other SCA testing.
SCA (1, 2, 3, 6 & 7)
Adult: 4-5 mL
Child: 1-2 mL
Amniotic fluid: 20 mL
Chorionic villus: 20 mg
Adult: 5 mL
Do not freeze. Store at 4°C or room temperature.
Patient to be referred to a neurologist for diagnostic tests and to a genetics clinic for predictive/prenatal testing.
Targeted genomic diagnostics
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