Cell Count, CSF
Collection Requirements
Source: CSF
Container: sterile cup or tube
Minimum volume: 1 mL
Special Instructions
Send to the Lab immediately
Must be processed within 60 minutes of collection
Turn Around Time
STAT: 1 hour
Routine: 2 hours
Availability
STAT
Routine
Includes
Appearance, WBC, RBC, and Diff if indicated
Algorithm
Reflex to differential if ≥ 5 TNC’s
Lab Processing Instructions
Specimen: CSF Do not spin
Refrigerate
Performing Laboratory
Adele Hall, Kansas
Adele Hall Lab Section
Hematology
Instrumentation/Methodology
Sysmex or Manual Microscopy
Reference Ranges
Appearance | Colorless, clear |
Total Nucleated Cell Count | |
Adults | 0-5 mononuclear/uL |
Neonates | 0-30 mononuclear/uL |
RBC Count | 0/uL |
Lymphs | |
Adults Neonates |
48-72% 17-23% |
Monos | |
Adults Neonates |
26-34% 56-84% |
Polys | |
Adults Neonates |
0-3% 0-5% |
CPT
89050
89051 (if differential reported)