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CASPR2 Antibody Test
Test Code92413
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.
Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
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?)
Turbid • Bacterial contamination
Methodology
Immunofluorescence Assay (IFA)
Setup Schedule
Sets up 3 days a week.
Clinical Significance
Anti-CASPR2 antibodies are found in patients with the acute or subacute onset of symptoms of limbic encephalitis, peripheral nerve hyperexcitability, and neuromyotonia.
