ARUP's Laboratory Test Directory

Protein, Total, CSF : 0020514

Mnemonic: CFP

Methodology: Reflectance Spectrophotometry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Patient Prep: Specimens should be collected prior to the intrathecal administration of contrast media.

Collect: CSF.

Specimen Preparation: Centrifuge and remove supernatant within 4 hours of collection. Refrigerate if specimen will not be analyzed within 4 hours; Transport 1 mL CSF. (Min: 0.2 mL)

Storage/Transport Temperature: Frozen.

Unacceptable Conditions: Specimens containing intrathecal contrast media. Hemolyzed specimens.

Stability (collection to initiation of testing): Ambient: 24 hours; Refrigerated: 6 days; Frozen: 1 year
Reference Interval:
Effective May 21, 2012

0 - 7 days: 40 - 120 mg/dL
8 days to 1 month: 20-40 mg/dL
1 month- adult: 14 - 45 mg/dL
CPT Code(s): 84157
Cross References: Total Protein (Protein, Total, CSF)