Encephalopathy, Autoimmune Evaluation, Spinal Fluid
| Abbrev Code: | ENC2 | ||
| Order Code: | LAB813 | Order Name: | Encephalopathy, Autoimmune Evaluation, Spinal Fluid |
| Order Instructions: | For patients 18 years and older. For pediatric testing, order Mayo's PCDEC via LAB4909. | ||
| Synonyms: | Encephalitis | ||
| Methodology: | Indirect Immunofluorescence Assay (IFA), Cell-Binding Assay (CBA), Western Blot (WB), Immunoblot (IB), Radioimmunoassay (RIA) | ||
| CPT Codes: | 86255 x21, 86255 x21, 86341 x1, 86341 x1, 86255 x9, 86256 x19 | ||
| Test Includes: | See Encephalopathy Autoimmune Evaluation Algorithm - Spinal Fluid Associated Link. | ||
| Turnaround Time: | Specimens are sent to the reference laboratory Mon-Fri; results are reported within 5-10 days. | ||
| Compliance: | This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration. |
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| Associated Links: | |||
Collection Instructions
| Specimen: | CSF |
| Optimal Volume: | 4 mL |
| Minimum\Peds Volume: | 2 mL |
| Container: | Sterile tube Alternate Containers: Plastic leakproof container, sterile |
| Causes for Rejection: | Grossly lipemic, hemolyzed or icterus. |
Processing and Shipping
| Specimen Processing: | Aliquot 4 mL; 2 mL minimum, into a sterile container. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 72 hours at room temperature; 28 days refrigerated (preferred) or frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (Mayo Medical Laboratories) |
| Referral Lab number: | ENC2 |
Interpretive
| Reference Range: | By report. |
| Use: | Evaluating new onset encephalopathy. |
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