Department
Microbiology
Delphic Registration Code (Alpha Code)
MCSF
Test Code (Numeric Code)
2210
Laboratory Handling
Transport
Send to the Laboratory as soon as practical; sending via the Lamson tube is acceptable provided the lids are correctly shut to avoid any leakage.
Test Adds Requirement
CSF samples are stored for 4 weeks. Less time critical tests may be added during this time if there is sufficient volume available.
Sample Stability
1 hour for an accurate white cell count.
Synonyms
CSF
Turnaround Time
1 hour
The white cell count and red cell count should be reported within 30 mins. Routine culture plates are held for 5 days.
Specimen Type
- CSF
Specimen Requirements
Tube/Container Type:
Preferred
- CSF sterile tubes (Routine Analysis)
Preferred Sample Volume (ml)
10
Minimum Sample Volume (ml)
1
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- CSF sterile tubes (Routine Analysis)
Preferred Sample Volume (ml)
3
Minimum Sample Volume (ml)
1
Pre-testing Requirements
Please indicate if the clinical syndrome is suspected meningitis, suspected encephalitis or subarachnoid haemorrhage.
Additional Specimen Information
Note that if TB meningitis is a possibility, at least 10mls of CSF is recommended.
Adults: Collect at least 3 -10 mL
Infants: Collect at least 2 - 3 mL
Last updated: 17/04/2026