* 4 sterile test tubes 5 ml each

1. chemical test

2. microbiological studies

3. Total cell counts & differential counts

4. immunology & serology studies

Purpose:

 Bacterial, fungal, mycobacterial, amebic meningitis

 Malignancy

 Subarachnoid bleeding

 Multiple sclerosis

Note:

© Required pressure before collection: between 90 and 180 mmHg

© Volume collected: 20 mL of CSF (not more than 2mL can be

removed when pressure is greater than 200 mmHg)