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Immunofixation, CSF [37962]
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
IFECSF
Alias/See Also
37962
CPT Codes
86335
Preferred Specimen
6 mL CSF collected in a sterile, plastic, leak-proof CSF container
Minimum Volume
4.5 mL
Transport Temperature
Frozen
Specimen Stability
Room temperature: 6 days
Refrigerated: 10 days
Frozen: 30 days
Refrigerated: 10 days
Frozen: 30 days
Methodology
Immunofixation Electrophoresis
Setup Schedule
Sunday - Friday
Report Available
3 - 6 days
Reference Range
See Laboratory Report
Clinical Significance
To evaluate protein composition of cerebrospinal fluid and may be useful in neurological diseases or tumors in central nervous system. This assay is not recommended for the assessment of multiple sclerosis for which oligoclonal bands in CSF and serum should be ordered.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Last Updated: August 16, 2022