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Cell Count and Differential, CSF : 398
Test CodeCSFCT or 398
CPT Codes
89051
Includes
Appearance, Color, RBC and WBC Cell Count, Neutrophils %, Lymphocytes %, Monocyte/Macrophage %, and Eosinophils %
Transport Container
Specimen
1 mL CSF
Minimum Volume
0.5 mL
Transport Container
Plastic sterile collection tube #3 in collection of CSF sample
1 mL CSF
Minimum Volume
0.5 mL
Transport Container
Plastic sterile collection tube #3 in collection of CSF sample
Transport Temperature
Room temperature.
Specimen Stability
Room temperature and refrigerated: STAT testing recommended due to cellular degeneration upon standing.
Frozen: Unacceptable
Frozen: Unacceptable
Methodology
Microscopy Visual Examination
Setup Schedule
Monday - Saturday
Report Available
1 day
Reference Range
Adults > or = 16 years old
Color: Colorless
Appearance: Clear
RBC: 0 cells/μL
TNC: 0‐5 cells/μL
Neutrophils: 0‐6%
Lymphocytes: 40‐80%
Monocyte/Macrophage: 15‐45%
Eosinophils: 0%
Basophils: 0%
<16 years old - See Laboratory Report
Color: Colorless
Appearance: Clear
RBC: 0 cells/μL
TNC: 0‐5 cells/μL
Neutrophils: 0‐6%
Lymphocytes: 40‐80%
Monocyte/Macrophage: 15‐45%
Eosinophils: 0%
Basophils: 0%
<16 years old - See Laboratory Report
Clinical Significance
CSF examination is helpful in the detection and diagnosis of central nervous system disease such as acute bacterial meningitis, encephalomyelitis, polyneuritis, brain tumor, cerebral thrombosis and hemorrhage.
Performing Laboratory
med fusion
