PROTEIN, CSF

Test Code

CSPR

CPT Codes
84157

Preferred Specimen

Cerebrospinal Fluid (CSF) Tube

Patient Preparation
None

Minimum Volume

0.5 mL (1mL optimal)

Other Acceptable Specimens

None

Instructions

Centrifuge and perform testing on supernatant

Transport Container

CSF Container

Transport Temperature

Room Temperature

Specimen Stability

2-8°C up to 3 days

Methodology
Colorimetric

Setup Schedule

DAILY, as received

Report Available

STAT: <60 minutes
Routine: <4 hours

Reference Range

Male/Female Ages >=0 Days - <5 Days: Normal Range: 40-120 MG/DL Male/Female Ages >=5 Days - <1 Month: Normal Range: 20-80 MG/DL Male/Female Ages >=1 Month: Normal Range: 15-40 MG/DL

Clinical Significance

An increase in CSF protein level may be a sign of a tumor, bleeding, nerve inflammation, or injury. A blockage in the flow of spinal fluid can cause the rapid buildup of protein in the lower spinal area. A decrease in protein level can mean your body is rapidly producing spinal fluid.

Performing Laboratory
Mount Sinai Hospital
Holy Cross Hospital

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.