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HelpTest Code BF8 Cell Count & Diff, CSF
Clinical Information
Assists in diagnosis of disease states involving CSF such as malignancy, meningitis/encephalitis, inflammation, bleeding, trauma, etc.
Synonym
- CSFLC
- CSFDIF
- Spinal fluid cell count and body fluid differential
Profile Information
| Reporting Name | Available Separately | Always Reported |
|---|---|---|
| CSF Tube Number | No | Yes |
| Gross Appearance | No | Yes |
| Supernatant | No | Yes |
| Total Nucleated Cells (TNC CSF) | No | Yes |
| Red Blood Cells (CSF) | No | Yes |
| Neutrophils Relative (CSF) | No | No |
| Lymphocytes Relative (CSF) | No | No |
| Monocytes/Macrphages Relative (CSF) | No | No |
| Eosinophils Relative (CSF) | No | No |
| Basophils Relative (CSF) | No | No |
| Plasma Cells Relative (CSF) | No | No |
| Malignant Cells Relative (CSF) | No | No |
| Blasts Relative (CSF) | No | No |
| Lymphoma Cells Relative (CSF) | No | No |
| NRBCs Relative (CSF) | No | No |
| Other Cells Relative (CSF) | No | No |
Specimen Required
Preferred Container/Tube: CSF Tube
Acceptable Container/Tube: CSF Tube
Specimen Volume: 3 mL
Specimen Minimum Volume: 0.5 mL
Specimen Stability Information
Ambient: 2 hours
Refrigerated: 24 hours
Reference Values
Total Nucleated Cells (TNC CSF)
0-365 days: <31 /uL
1-4 years: <21 /uL
5+ years: <6 /uL
Red Blood Cells (CSF)
<3 /uL
Neutrophils Relative (CSF)
0-89 days: ≤8 %
90+ days: ≤6 %
Lymphocytes Relative (CSF)
0-89 days: 35-50%
90+ days: 40-80 %
Monocytes/Macrophages Relative (CSF)
0-89 days: 50-90%
90+ days: 15-45 %
Method Description
Hemocytometer counts, Iris instrument and manual differential.
Performing Lab
Clinical Lab UH
Clinical Lab University East
Clinical Lab West Campus
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 day
May be up to 4 days if path review is performed.
Reporting Name
CSF Cell Count
CSF Differential/Path Interpretation
CPT Code Information
89051
LOINC Code Information
9335-1
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