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Myelin Basic Protein : 663
Test CodeMYELBP or 663
Alias/See Also
MBP
CPT Codes
83873
Instructions
CSF.
CSF must be clear.
Do not centrifuge.
CSF collection tube #4 is preferred.
Submitting 4th lumbar puncture collection tube minimizes blood contamination.
CSF must be clear.
Do not centrifuge.
CSF collection tube #4 is preferred.
Submitting 4th lumbar puncture collection tube minimizes blood contamination.
Transport Container
Transport 1.2 mL CSF, (Min: 0.5 mL).
Transport Temperature
Refrigerated.
Specimen Stability
Ambient: 7 days; Refrigerated: 14 days; Frozen: 21 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Xanthochromia/RBCs
Methodology
Radioimmunoassay
Setup Schedule
Monday & Thursday
Report Available
3-7 days (From receipt at performing laboratory)
Limitations
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Reference Range
MBP Result Interpretation
0-4.0 mcg/L Negative
4.1-6.0 mcg/L Weakly Positive
greater than 6.0 mcg/L Positive
0-4.0 mcg/L Negative
4.1-6.0 mcg/L Weakly Positive
greater than 6.0 mcg/L Positive
Clinical Significance
The concentration of MBP is often increased in patients with demyelinating diseases such as multiple sclerosis and may be increased in patients with head injury, CNS trauma, tumor, stroke, and viral encephalitis.
Performing Laboratory
Quest Diagnostics
