II. Indications
- Suspected Enterovirus Meningitis- Allows for early hospital discharge
 
- Suspected Herpes Simplex VirusEncephalitis
- Suspected CytomegalovirusEncephalitis
III. Preparations: Available PCR tests
- Viral Meningitis sensitivity overall: 95-100%
- HSV Type I sensitivity: 100%
- Epstein-Barr Virus sensitivity: 100%
- Enterovirus sensitivity: 100%
- 
                          Cytomegalovirus (CMV)- PCR is gold standard
 
- Tuberculosis sensitivity: 54-100%
- Acute Neurosyphilis- Lower sensitivity in chronic Neurosyphilis
 
- West Nile Virus
- Varicella Zoster Virus
IV. Advantages
- High sensitivity and Specificity
- Fast
- Requires only small CSF volumes
V. Disadvantages
- Expensive
