Protein Electrophoresis with Immunofixation, CSF *

SIM

LAB2769

CPT

86335; 84166; 84157 

Synonyms

CSF IEP; CSF IFE, CSF Immunoelectrophoresis; CSF Immunofixation; IFE/Protein Electrophoresis CSF; Globulins, CSF 

Specimen Type

Cerebrospinal fluid (CSF) 

Container

Sterile container

Collection Instructions

Collected by physician

Volume

Volume: 5 mL
Minimum volume: 2 mL

Additional Information

Evaluate possible multiple sclerosis, subacute sclerosing panencephalitis, and other chronic CNS disorders associate with local IgG synthesis

Patient Preparation

Specimen Processing Instructions

Send original tube, unless shared with other reference lab tests

Transport Requirements

Refrigerate

Specimen Stability

Refrigerated: 7 days 

Rejection Criteria

Bloody CSF; less than 2 mL CSF

Reference Range

Reference Range accompanies report

Critical Value

Test Includes

Immunofixation of CSF;CSF protein electrophoresis 

Methodology

Agarose gel immunofixation (IFE); protein electrophoresis on agarose media 

Testing Frequency

LCA

001438 

Reviewed By

Rhonda Crowe

Reviewed Date

2/27/23

Supplemental

* Denotes Reference Lab Test