Athena Diagnostics - Testing that Makes a Difference
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Neurofibromatosis Type 2 DNA Sequencing Test #635
Type of Disorder: Neuro-Oncology
Typical Presentation: Neurofibromatosis Type 2 is characteriazed by bilateral vestibular schwannomas with associated symptoms of tinnitus, hearing loss and balance dysfunction.
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
Disease(s) tested for: Neurofibromatosis Type 2
Test Details
Test Code: 635
Profiles that contain this test: Neurofibromatosis Type 2 (NF2) Evaluation
Informed Consent Required: Yes
Medicare ABN Required: No
Special Notes: Free parental testing may be offered if needed for result interpretation
Technical Information
Utility: Detects sequence variations in the NF2 gene
Methodology: DNA Sequencing
Reference Value: No mutation detected
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(16), 83903(16), 83904(16), 83909(16), 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: 10 mL
Collection Tube: Lavender top (EDTA)
Alternate Specimen Requirements
Type: Contact lab director for alternate specimen type.
Storage Conditions: Refrigerate
Shipping Conditions: Room temperature, ship within 24 hours of drawing
Test Turnaround: 21-28 days
Canada US