Immunofixation, CSF

Test Code

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

Methodology
Immunofixation Electrophoresis

Setup Schedule

Set up: Sun-Fri; Report available: 3-5 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

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.