| Test code: | 449 |
| Type of disorder: | Paraneoplastic and Other Antibody Disorders of the CNS |
| Disease(s) tested for: | Paraneoplastic Neurological Syndrome, Autoimmune Encephalitis |
| Profiles that contain this test: | NeoComplete Paraneoplastic Evaluation with Recombx® NeoEncephalitis Paraneoplastic Evaluation with Recombx® Paraneoplastic Autoantibody Evaluation with Recombx®, CSF |
| Clinical Significance: | Anti-LGI1 antibody is found in patients with the acute or subacute onset of limbic encephalitis, or faciobrachial dystonic seizures. |
| Methodology: | Immunofluorescence Assay (IFA) |
| Reference Range: | Negative |
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.
| CPT: | 86255 |
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: 28 days, Frozen: 28 days, |
| 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. |
| Alternate Specimen Type: | Cerebrospinal Fluid (CSF) |
| Alternate Specimen Stability: | Room temperature: 72 hours, |
| Alternate Specimen Requirements: | 2 mL (0.5 mL minimum) CSF collected in a sterile leak-proof container |
| Alternate Specimen Stability: | Refrigerated: 28 days, |
| Alternate Specimen Stability: | Frozen: 28 days, |
| Transport Temperature: | Refrigerated |
| Set-up/Analytic Time: | 5-7 days |
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