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Test Catalog
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Neurofibromatosis Type 2 DNA Sequencing Test |
#635 |
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| Type of Disorder: |
Neuro-Oncology |
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| Typical Presentation: |
Neurofibromatosis Type 2 is characteriazed by bilateral vestibular schwannomas with associated symptoms of tinnitus, hearing loss and balance dysfunction. |
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| Indications for Testing: |
Confirm NF2 in patients with family history; confirm cases of NF2 in families with suspected mosaic cases; confirm cases in patients who do not meet any diagnostic criterial; family screening |
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| Disease(s) tested for: |
Neurofibromatosis Type 2 |
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| Test Details |
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| Test Code: |
635 |
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| Profiles that contain this test: |
Neurofibromatosis Type 2 (NF2) Evaluation
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| Informed Consent Required: |
Yes |
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| Medicare ABN Required: |
No |
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| Special Notes: |
Free parental testing may be offered if needed for result interpretation |
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| Technical Information |
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| Utility: |
Detects sequence variations in the NF2 gene |
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| Methodology: |
DNA Sequencing |
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| Reference Value: |
No mutation detected |
| CPT Coding |
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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.
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| Stacked CPT Code(s): |
83891(1), 83898(16), 83903(16), 83904(16), 83909(16), 83912(1)
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| Shipping Considerations |
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| Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form. |
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| Preferred Specimen Requirements |
| Type: |
Whole blood |
| Minimum Volume: |
10 mL |
| Collection Tube: |
Lavender top (EDTA) |
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| Alternate
Specimen Requirements |
| Type: |
Contact lab director for alternate specimen type. |
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| Storage Conditions: |
Refrigerate |
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| Shipping Conditions: |
Room temperature, ship within 24 hours of drawing |
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| Test Turnaround: |
21-28 days |
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