Immunofluorescence Assay (IFA)
Aiding the diagnosis of arboviral encephalitis (California [LaCrosse], St. Louis, Eastern equine and Western equine encephalitis).
IgG: <1:10; IgM <1:10
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Monday, Wednesday, Friday November through April
3 - 7 days
Collect specimen in a sterile container. It is preferred not the send the screw capped tubes in the LP collection kit, as they have a tendency to leak. It can also be transferred in Specimen Processing if no other tubes are available. Send to Specimen Processing refrigerated.
Test includes California Virus (La Crosse) Encephalitis, St. Louis Encephalitis, Eastern Equine Encephalitis, and Western Equine Encephalitis IgG and IgM Antibodies. Test performed by Mayo Clinic Laboratories