Table 4. CSF findings in the patient.
CSF: cerebrospinal fluid; Ig: immunoglobulin
| CSF analysis | Results | Reference |
| Volume | 2.0 mL | |
| Color | Colorless | Colorless |
| Appearance | Clear | Clear |
| Red blood cell count | 6 | 0–6/µL |
| White blood cell count | 329 | 0–5/µL |
| Neutrophils | 8% | 0–6% |
| Mononuclear cells | 90% | 40–80% |
| Protein, CSF | 105 | 15–45 mg/dL |
| Glucose, CSF | 41 | 40–80 mg/dL or >two-thirds of serum glucose |
| Gram stain | >100 white blood cells/HPF predominately mononuclear. No organisms observed | No organisms |
| CSF culture | No growth | No growth |
| Coccidioidal antibody (immunodiffusion) | IgG positive | Negative |
| Coccidioidal antibody (complement fixation) | IgM negative 1:4 | Negative |