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.

Test Details
Days Set Up
Monday - Friday
Analytic Time

14 - 21 days

Soft Order Code
SO
Synonyms
  • SCA8 (ATXN8OS) Repeat Expansion Test
Laboratory
Sendout
Reference Laboratory
Athena Diagnostics 384
Section
Special Testing
Specimen Requirements
Collection

Collect lavender top (EDTA) whole blood, refrigerate. May be shipped ambient.

Rejection Criteria
Frozen whole blood
Normal Volume
8 mL whole blood
Minimum Volume
6 mL whole blood
Additional Information

Test sent to Athena Diagnostics.

Billing
CPT Code
81182
Resources