Protein, Total, Cerebrospinal Fluid
Protein, Total, Cerebrospinal Fluid
    
Number
002055
CPT
84157
Synonyms
Cerebrospinal Fluid Protein ; CSF Protein ; Protein, CSF
Specimen
Cerebrospinal fluid
Volume
1 mL
Minimum Volume
0.3 mL
Container
Clean plastic tube
Collection
Usually three clean sterile tubes are used from lumbar tray for count and culture in addition to protein and glucose with collection of 1 mL in each tube labeled #1, #2, #3 in order of collection. Tube #1 is used for protein and glucose.
Storage Instructions
Refrigerate
Causes for Rejection
Gross hemolysis; bloody tap
Reference Interval
13-40 mg/dL
Use
A nonspecific but reliable indication of CNS pathology such as meningitis, brain abscess, meningovascular syphilis, CVA, neoplastic diseases, multiple sclerosis, and other degenerative processes causing neurologic disease
Methodology
Spectrophotometry

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