Athena Diagnostics - Testing that Makes a Difference
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MFN2 DNA Sequencing Test #223
Type of Disorder: Peripheral Neuropathy
Typical Presentation: CMT with a family history of MFN2 mutations identified in a proband
Disease(s) tested for: Charcot-Marie-Tooth Disease Type 2A (CMT2A)
Test Details
Test Code: 223
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 MFN2 gene
Methodology: Polymerase Chain Reaction (PCR) and DNA sequencing
Reference Value: No sequence variation detected
Patents: 7,727,717
CPT Coding
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
Stacked CPT Code(s): 83891(1), 83898(15), 83904(15), 83909(15), 83912(1)
Shipping Considerations
Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
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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