Imperial Collage Healthcare

Protein (CSF)


Test Background
Measurement of CSF protein is used to distinguish septic from aseptic meningitis and is also associated with increased permeability of the blood:brain barrier, vasogenic brain oedema, hypercellularity and release of brain-specific proteins during cell death.


Clinical Indications
Protein concentrations >1 g/L are often viewed as diagnostic for bacterial, fungal or tuberculous meningitis.


Reference Range

>10 years : 0.15-0.45 g/L
<10 years : 0.15-0.80 g/L


Sample Required
CSF in universal container


Sample Volume
0.5 mL


Turnaround Time
1 day


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