Myelin Antibody (IgG), IFA

Test Code
4639


CPT Codes
86255

Preferred Specimen
1 mL serum collected in a red-top tube (no gel)


Minimum Volume
0.3 mL


Instructions
Serum specimens should be collected under aseptic condition. Hemolysis should be avoided through prompt separation of the serum from the clot.


Transport Container
Transport tube


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 21 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Lipemia • Specimens with visible particulate matter • Serum separator tube (SST)


Methodology
Indirect Immunofluorescence

FDA Status
This test was performed using a kit that has not been approved or cleared by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.

Setup Schedule
Wed


Report Available
2-9 days


Reference Range
Negative


Clinical Significance
Antibodies against myelin are found in multiple sclerosis and other neurological diseases. However, the diagnostic value of this serum antibody is controversial, as high titers in healthy subjects can also be detected. Antibodies against myelin-associated glycoproteins are present at times with Guillain-Barre syndrome.


Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
33608 Ortega Highway
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.