Cell Count and Differential, Spinal Fluid

Test Code

CCSF

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

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.