C9orf72 Genetic Testing (Repeat Expansion)

CPT: 81479

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

Varients in the C9orf72 gene have been found to cause amyotrophic lateral sclerosis (ALS), a condition characterized by progressive muscle weakness, a loss of muscle mass, and an inability to control movement.


Limitations

Maximum reportable sizing: 65 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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