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
  • CEREBROSPINAL FLUID PROTEIN
  • PRCSF
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