Friedreich Ataxia Genetic Testing (Trinucleotide Repeat Expansion)

CPT: 81284

Special Instructions

This assay is not currently available in New York state.


Expected Turnaround Time

2 - 4 weeks


Specimen Requirements


Specimen

Whole blood


Volume

4 mL


Container

Lavender-top (EDTA) tube


Storage Instructions

Ship ASAP, but stable up to 5 days post-collection at room temperature. Do not freeze.


Causes for Rejection

Frozen blood EDTA tube


Test Details


Use

Friedreich ataxia is a genetic condition that affects the nervous system and causes movement problems.


Limitations

Maximum reportable sizing: 1300 repeats.

This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.


Methodology

Repeat-Primed PCR (QP-PCR)


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