At least 0.5 mL CSF not contaminated by blood. (If xanthochromia included - protect from light)
Biochemistry
Mon - Sun, 24hrs
1 hr
Glucose 2.8 - 4.4 mmol/L
Protein 0.15 - 0.45 g/L
Xanthochromia Nil detected.
A blood sample collected at the same time and analysed for glucose will help with the interpretation of the CSF glucose (normally approx. 70% of blood glucose).
