CSF, Routine Analysis
Test Mnemonic
RTCSF
CPT Codes
- 82945 - QTY (1)
- 89051 - QTY (1)
- 84157 - QTY (1)
Aliases
- Spinal Fluid Analysis
Includes
- Color
- Clarity
- WBC
- RBC
- Differential
- protein
- glucose
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Cerebrospinal fluid (CSF) | Sterile container | Refrigerated | Samples must be refrigerated within 6 hours of collection to maintain specimen integrity. |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 6 Hours |
| Refrigerated | 24 Hours |
| Frozen | Unacceptable |
Days Performed
Sun - Sat
Turnaround Time
1 day
Methodology
| Name | Description |
|---|---|
| Turbidimetry (TURB) | |
| Microscopy | |
| Glucose Hexokinase |
Reference Range
Special Info
Tests other than description, cell count, differential, protein and glucose MUST be ordered separately. In rare circumstances, flow cytometry may be added on to evaluate substantial malignant cell populations.
Clinical Info
Cerebrospinal fluid evaluation for various disease states including infection, malignancy, multiple sclerosis.