Cell Count and Differential, CSF


Abbrev Code:CCSF   
Order Code:LAB212Order Name:Cell Count with Differential CSF
Synonyms:Cerebrospinal Fluid, Analysis; Spinal Fluid Cell Count; CSF Cell Count and Differential
CPT Codes: 89050 x1, 89051 x1
Test Includes:Color, RBC, WBC, differential
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:CSF
Optimal Volume:1 mL
Minimum\Peds Volume:Submit less if unable to obtain 1 mL
Container:Sterile tube
Alternate Containers: 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  (Grand Itasca, Lakes, Northland, Range, Ridges, Southdale, St. John's, UMMC East Bank, UMMC/UMMCH-West Bank, Woodwinds)


Interpretive

Reference Range:
  CSF Leukocyte Count
Age Total Nucleated
Cells/uL
0-30 d 0-25
Greater than 30 d 0-5

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


CSF RBC Count (all ages): 0-2 cells/uL  

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.


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