Days Set Up
Monday - Friday
Analytic Time
14 - 21 days
Soft Order Code
SO
Test Updated:
Synonyms
SCA8 (ATXN8OS) Repeat Expansion Test
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Test Overview
Test Methodology
Repeat Expansion Detection by PCR, Southern Blot
Test Usage
Detects CTA/CTG triplet repeat expansions in the SCA8 gene.
Reference Range
Normal: < 50 CTA/CTG trinucleotide repeats.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collection
Collect lavender top (EDTA) whole blood, refrigerate. May be shipped ambient.
Normal Volume
8 mL whole blood
Minimum Volume
6 mL whole blood
Billing Information
CPT Code
81182
Pro Fee Code
LOINC