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LGI1 Antibody Test
Test Code92416
CPT Codes
86255
Preferred Specimen
2 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
CSF collected in: Sterile leak-proof container
Instructions
Serum must be separated from whole blood within 48 hours of collection.
Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Note: Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 28 days
Refrigerated: 28 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric • Turbid • Bacterial contamination
Methodology
Immunofluorescence Assay (IFA)
Setup Schedule
Sets up 3 days a week.
Clinical Significance
Anti-LGI1 antibody is found in patients with the acute or subacute onset of limbic encephalitis, or faciobrachial dystonic seizures.
