Oligoclonal Bands (IgG), CSF

Test Code
CSFOLB (674)

Quest Code
674

CPT Codes
83916

Preferred Specimen
1 mL CSF and serum

Minimum Volume
0.5 mL

Instructions
It is preferred that the collection date and time be the same for both CSF and serum; however, it is acceptable for them to be drawn within 48 hours of each other. Client must be contacted when no serum is supplied to confirm the order. It is acceptable to send through CSF without Serum when client has indicated to run with serum control. CSF must be clear. (CSF collection tube #4 preferred).

Do not centrifuge. Refrigerate CSF specimens 2-8°C in sterile, plastic CSF vial(s) and send refrigerated (cold packs) to the laboratory.

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: 8 hours
Refrigerated: 5 days
Frozen: 14 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Xanthochromia/RBCs/hemolysis in CSF

Methodology
Isoelectric Focusing (IEF)

Setup Schedule
Sun-Fri

Report Available
4 to 6 Day(s)

Reference Range
No bands

Performing Laboratory
Quest Diagnostics Nichols Institute San Juan Capistrano
33608 Ortega Hwy
San Juan Capistrano, CA 92675-2042



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.