Arbovirus
Arbovirus IgM EIA, St. Louis Encephalitis and West Nile
Laboratory Fee Schedule
Procedure: MZZ0085A
CPT: 86653, 86789
Arbovirus IgM EIA, St. Louis Encephalitis and West Nile
Synonym(s): | Capture Enzyme Immunoassay for the Detection of IgM Antibodies to West Nile and St. Louis Encephalitis Viruses |
Requisition Form | G-2A |
Test Description | Capture Enzyme Immunoassay (EIA) to detect the presence of specific IgM antibodies |
Pre-Approval Needed | N/A |
Supplemental Information Required | N/A |
Supplemental Form(s) | N/A |
Performed on Specimens from (sources) | Human |
Sample/Specimen Type for Testing |
|
Minimum Volume/Size Required | 1.0 mL |
Storage/Preservation Prior to Shipping |
|
Transport Medium | N/A |
Specimen Labeling |
|
Shipping and Specimen Handling Requirements |
|
Method | Capture EIA |
Turn-around Time | 8 working days |
Interferences/Limitations | Cross-reactions can occur between flaviviruses. Specific IgG can compete with IgM and may result in a false negative. Rheumatoid factor in presence of specific IgG may result in a false positive. |
Common Causes for Rejection |
|
Additional Information | Convalescent serum specimen should be tested if an early acute CSF or serum is negative. For most, IgM is detectable 8 days post-onset of symptoms and can persist for at least 45 days and up to 90 days. |