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Cell Count and Differential, Spinal Fluid
Test CodeCCSF
Alias/See Also
Spinal Fluid Cell Count and Differential
CPT Codes
89050
Preferred Specimen
1 mL (minimum volume: 0.5 mL) of spinal fluid in a sterile tube.
Transport Temperature
Ambient
Setup Schedule
Monday through Sunday
Reference Range
WBC COUNT
Neonates: 0-30 µL
Adults: 0-5 µL
DIFFERENTIAL COUNT
Neonates
Lymphocytes: 20% ± 15
Monocytes: 70% ± 20
Neutrophils: 4% ± 4
Adults
Lymphocytes: 60% ± 20
Monocytes: 30% ± 15
Neutrophils: 2% ± 4
Critical values: >5 nucleated cells/µL for adults
Performed By
North Mississippi Medical Center Pathology Department
Performing Laboratory
NMMC Pathology Department