| Clinical Significance: | Confirm suspected cases of NMO and assist in making a differential diagnosis and identifying the cause of MS-like symptoms in the patient. An accurate diagnosis will further help predict disease course and provide direction in treatment options.
Typical Presentation: Optic neuritis, and transverse myelitis with tetraplegia or paraplegia, sensory impairments and bladder-bowel dysfunction.
Indications for testing: Rule out NMO in patients with optic neuritis and transverse myelitis and distinguishing this disease from multiple sclerosis.
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| Methodology: |
ELISA
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| Reference Range: | <3.0 U/ml |
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.
Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
| Specimen Type: | Serum |
| Specimen Stability: |
Room temperature: 72 hours, Refrigerated: 40 days, Frozen: 5 months, |
| Specimen Requirements: |
2 mL (0.5 mL minimum) serum in a Red-top tube or Serum Separator Tube (SST) |
| Instructions: | Serum must be separated from whole blood within 48 hours of collection. |
| Transport Temperature: | Refrigerated |
| Set-up/Analytic Time: | 5-7 days |
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