Test Code CSF Cnt CELL COUNT - CSF
Patient Preparation
Sterile collection with specimen transported in a sterile container
Special Collection Instructions
Sterile, not clotted, properly labeled to include specimen source
Collection Method
Distribution Order |
|
Tube #1 |
Chemistry and Immunology tests |
Tube #2 |
Cultures and other Microbiology tests |
Tube #3 |
Cell counts and differentials |
Tube #4 |
Cytology |
Minimum Volume
2 mL
Container
Sterile CSF Tube
Preferred Specimen
CSF
Acceptable Specimen(s)
CSF
Reference or Target Ranges
Normal Values: |
|
|
Color |
Colorless to Yellow |
|
Clarity |
Clear |
|
Cutoff Values: |
Adults |
Neonates |
White Blood Cells |
0.0-5.0/uL |
0-30/uL |
Lymphocytes |
0.0-4.0/uL |
0.0-7.0/uL |
M/M/H |
0.0-2.0/uL |
0.0-18.0/uL |
Neutrophils |
0.0-1.0/uL |
0.0-2.0/uL |
Eosinophils |
Rare |
Rare |
Red Blood Cells |
0 |
0 |
Critical Value
Nucleated Cells |
30 uL |
Segmented Cells |
5 |
Lymphocytes |
20 |
M/M/H/uL |
25 |
Reasons for Rejection
Other: |
QNS, contaminated, Improperly labeled, Improper specimen type |
Specimen Stability
Ambient |
1 Hour |
Performance Information
Days and Time Performed |
24/7 |
Expected Turn Around Time |
STAT: 1 hour, Routine: 4 hours |
Stat Availability |
Yes |
Performing Bench |
CRMC Chemistry |
Methodology/Method Description |
Atellica |
Additional Information / Important Notes
CSF differentials are added to CSF counts when 1 or more WBCs are present in the cell count.
Special Handling
Room Temperature
Methodology/Method Description
Manual Count / Manual Differential – CSF counts are performed manually by skilled laboratory techs.
CPT Codes
89050