Cerebrospinal fluid results
| Immediately available results | Opening pressure | 25 cm of water |
| Appearance | Colourless and clear | |
| White blood cell count | 21/cu.mm (100% lymphocytes) | |
| Glucose | 3.4 mmol/L | |
| Protein | 0.43 g/L | |
| Microbiology | Gram stain | Organisms not seen |
| Culture | No bacterial or fungal growth | |
| India ink microscopy | Negative | |
| Mycobacteria smear and PCR | Negative | |
| Cryptococcal antigen | Negative | |
| Syphilis serology | Not performed as serology negative | |
| Virology | HSV/VZV/Enterovirus/Adenovirus/HHV6/EBV/CMV | Negative |
| JC virus | Negative | |
| HIV1 RNA viral load | 275,000 copies/mL |