2 - 4 days
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Isoelectric Focusing (IEF) with IgG Immunoblot Detection
CSF Olig Bands Interpretation: <4 bands. A finding of 4 or more cerebrospinal fluid (CSF)-specific bands (i.e., bands that are present in CSF but are absent in serum) is consistent with multiple sclerosis. The presence of oligoclonal band is unrelated to disease activity.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect both blood and CSF; specimens must be collected within 1 week of each other. Collect blood in an SST tube and aliquot serum into a plastic vial. Refrigerate serum and CSF specimens.