Test Overview
Test Methodology
Colorimetric (Pyrogallol Red)
Test Usage
Useful in the diagnosis of infectious, neoplastic and degenerative processes involving the central nervous system.
Reference Range *
15 - 45 mg/dl (150-450 mg/l)
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Daily, 24 hours
Analytic Time
2 hours
Soft Order Code
PRCSF
MiChart Code
Protein, CSF
Synonyms
- Protein, Spinal Fluid
Laboratory
Chemical Pathology
Section
Automation
STAT Availability
STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).
Specimen Requirements
Collection Instructions
Collect spinal fluid; refrigerate. Avoid contamination with blood (hemoglobin is a protein).
Contraindications
Fresh blood in the specimen will invalidate the protein result.
Normal Volume
0.5 mL CSF
Minimum Volume
0.25 mL CSF
Billing
CPT Code
84157
Fee Code
22228
LOINC
2879-5
NY State Approved
No