Home
HelpTest Code BF CELL DIFF CSF Cell Count with Differential, CSF
Additional Codes
LAB212
Performing Laboratory
Central Peninsula Hospital
Collection Method
Lumbar puncture or CSF shunt
Container
Sterile CSF Collection Tube
Specimen Type
Sterile CSF Collection Tube
Minimum Volume
0.5ml
Specimen Stability
| Ambient | 2 hours |
| Refrigerated (4°C to 8°C) | N/A |
| Frozen(-40°C to 0°C) | N/A |
Reference or Target Ranges
| WBC (/mm³) | 0-4 |
| RBC’s (/mm³) | 0-2 |
Reportable Units
/mm³
Critical Value
WBC ≥ 5/mm³
Reasons for Rejection
| Hemolysis Threshold | N/A |
| Icterus Threshold | N/A |
| Lipemia Threshold | N/A |
| Other | Clotted, QNS, contaminated, improperly labeled |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time | Stat: Within one hour of arrival in lab Routine: Within 4 hours of arrival in lab (try to complete within 2 hours) |
| Stat Availabilty | Yes |
| Performing Bench | CPH Hematology |
| Methodology/Method Description | Manual Count / Manual Differential |
CPT Codes
89051
Last review/edit date
2025