CSF Cell Count and Differential
Containers - Adult
20ml Sterile Universal Container
1 - 3ml
Additive per Container
White blood cells are not usually present in CSF.
Old Dalkeith Road
Microscopy for cell count must be performed within 2 hours of specimen collection; please transport to lab as soon as possible.
Sample storage arrangements
Store at room temperature if transport is delayed.
Special instructions for collection
Useful: Analysis of CSF cell count and white cell differential may be useful in the diagnosis of meningitis, encephalitis, ventriculitis or sub-arachnoid haemorrhage.
Aseptic technique must be used. Minimum of 1-3mls required for cell count and bacterial culture.
How to request
Via Trak (at RIE and SJH "C&S - CSF", at WGH "CSF cell count WGH")
Microscopy within 30 minutes of receipt. Culture: up to 4 days.
What happens if the result is positive or abnormal
Result will automatically appear on TRAK and will be phoned by BMS. Clinical interpretation required.
General additional information
At the WGH, this sample is processed by Haematology. An automated white cell count is performed on the sample. If white cells are found, a cytospin is prepared, and a manual white cell differential is performed by microscopy. For further information, please contact the laboratory on 0131 537 1914. See also test "Cerebrospinal fluid - Routine M, C & S"