Cell Count and Differential, CSF

Sunquest Code:CCSF  
Epic Code:LAB212Epic Name:Cell Count with Differential CSF
Synonyms:Cerebrospinal Fluid, Analysis; Spinal Fluid Cell Count; CSF Cell Count and Differential
Test Includes:Color, RBC, WBC, differential
Turnaround Time:Performed and reported 24 hours/day.

Collection Instructions

Optimal Volume:1 mL
Minimum\Peds Volume:Submit less if unable to obtain 1 mL
Container:Sterile tube (Plastic leakproof container, sterile)
Causes for Rejection:Clotted specimen.

Processing and Shipping

Specimen Processing:Do not process.
Shipping Instructions:Ship at room temperature to arrive ASAP. Refrigerate samples if shipping is delayed.
Test Performed at or Referral Lab Hematology  (Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, Grand Itasca GICH)


Reference Range:


CSF Leukocyte Count




Number of mononuclear cells/uL

0- 30 d


Greater than 30 d


Note: Differentials will not be performed on WBC counts of 5 or less.


Use:Evaluation for bacterial or viral encephalitis, meningitis, meningoencephalitis, mycobacterial or fungal infection, primary or secondary malignancy, leukemia/malignant lymphoma of CNS, trauma, vascular occlusive disease, heredofamilial and/or degenerative processes.

Click HERE to Report test errors or omissions.
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