Athena Diagnostics - Testing that Makes a Difference
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Neurofilament Light (NFL) DNA Sequencing Test #249
Type of Disorder: Peripheral Neuropathy
Typical Presentation: CMT with a family history of NFL mutations identified in a proband
Disease(s) tested for: Charcot-Marie-Tooth Disease, Type 2E (CMT2E)
Test Details
Test Code: 249
Profiles that contain this test: Complete CMT Evaluation, Dominant CMT Evaluation, Partial CMT- Axonal Only
Informed Consent Required: Yes
Medicare ABN Required: No
Special Notes: Unless a family member has been confirmed by prior testing, it is recommended that this test be done as part of the Complete CMT Evaluation, #390
Technical Information
Utility: Detects sequence variations in the NFL gene
Methodology: Polymerase Chain Reaction (PCR) and DNA sequencing
Reference Value: No sequence variation detected
CPT Code(s): 83891(1), 83898(6), 83904(6), 83909(1), 83912(1)
Patents: N/A
Shipping Considerations
Preferred Specimen Requirements
Type: Whole blood
Minimum Volume: 10ml
Collection Tube: Yellow top, ACD-A
Alternate Specimen Requirements
Type: Whole blood
Minimum Volume: 10ml
Collection Tube: lavender top (EDTA)
Storage Conditions: Room temperature, avoid freezing
Shipping Conditions: Room temperature, ship same day. Must arrive at Athena within 48 hours after blood is drawn.
Test Turnaround: 21-28 days
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