Table 2.

Select CSF laboratory and culture results.

Laboratory parameter	Patient value	Reference range
CSF protein	90 mg/dL	15–45
CSF red blood cell count	350/µL	None
CSF IgG	12.7 mg/dL	0.0–8.1
CSF white blood cell count	4 μL	0.0–5
CSF glucose	59 mg/dL	50–80
CSF lymphocytes	73%	60
CSF organism growth	None	None
CSF oligoclonal bands	None	None
Neuromyelitis optica/AQP4 IgG, CSF	Negative	Negative

CSF – cerebrospinal fluid; IgG – immunoglobulin G; AQP4 IgG – aquaporin-4 autoantibody.