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Test Name:
Cell Count, Cerebrospinal Fluid
- SBMF No:
25003 - Performance Lab Name:
Hematology - Test Mnemonic:
CSF CELL - ABN:
Not required - CPT Code:
89050 - LOINC Code:
10335-8; 32168-7; 26465-5; 26454-9; 48767-8 - Test Includes:
White Blood Cells (WBC)
Red Blood Cells (RBC) - Also Known As:
Cerebrospinal Fluid Cell Count
CSF Cell Ct - Also See:
25110 Differential, Cerebrospinal Fluid
29006 Glucose, Cerebrospinal Fluid
29117 Protein, Total, Cerebrospinal Fluid - Spec Type:
Cerebrospinal fluid (CSF) - Spec Container:
Sterile plastic tube with screw-top cap - Pref Vol:
6.0 mL - Min Vol:
0.5 mL - Fasting:
No - Spec Collect:
Collected by physician - Spec Process:
Do not centrifuge
Use Tube #3 for cell count unless otherwise instructed by physician - Spec Store Transport:
Refrigerated - Spec Stability:
4 hours room temperature (20-30°C)
24 hours refrigerated (2-8°C) - Methodology:
Hemacytometer - Use:
Evaluate 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. - Clinical Significance:
Polymorphonuclear cells predominate in acute suppurative meningitis sue to meningococcus, pneumoncoccus, streptococcus, etc., and in brain abscess. Small lymphocytes predominate in tuberculous meningitis, syphilis, polio, multiple sclerosis, and encephalitis. - Reference Range:
CSF RBC Ct
CSF WBC Ct
WBC (Corr)0-0
0-8
0-8/cmm
/cmm
/cmm - Critical High Value:
CSF WBC Ct: Greater than 8 /cmm - Day Run:
Sun-Sat (daily) - Time Run:
As received - Time Reported:
4 hours - Test Type:
CSF
