Protein, CSF

Test Code
CTP


Alias/See Also
CSF Protein


Preferred Specimen
1.0 mL CSF (0.5 mL minimum)


Transport Container
Sterile tube #1 from lumbar puncture tray. If tubes are not pre-numbered, manually number to indicate the order of collection.


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Bloody specimen is unacceptable


Reference Range
             Age Female Male
Adult (>18 years): 15 – 45 mg/dL 15 – 45 mg/dL
Pediatric:    
0 – 14 days 15-153 15-100
15 – 30 days 15-100 15-96
31 days – 2 months 15-93 15-48
3 – 6 months 15-44 15-48
7 – 23 months 15-48 15-50
2 – 7 years 15-45 15-45
8 – 18 years 15-45 15-40


Clinical Significance
Measurement of the protein content in cerebrospinal fluid is used in the diagnosis and treatment of central nervous system diseases and trauma.




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.