Test Overview
Test Methodology

CGV: IgM Capture ELISA. EEE, SLE, WNV: Microsphere Immunoassay (MIA).

Test Usage

Determination of recent arbovirus infection by demonstration of IgM antibody.

Reference Range *

No antibody detected.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Test performed once per week (May - October)
Analytic Time

2 - 4 weeks

Soft Order Code
ARBOM
MiChart Code
Arbovirus IgM Antibody Panel (Sendout)
Synonyms
  • California (LaCrosse) Encephalitis
  • Eastern Equine Encephalitis (EEE)
  • St. Louis Encephalitis (SLE)
  • West Nile Virus (WNV)
  • Arbovirus Panel
  • Arbovirus Antibody, West Nile
  • WNV
  • Western Equine Encephalitis
  • West Nile Virus Ab, IgG, IgM
  • WNVC
  • West Nile Virus Antibody, CSF
  • California Group Virus (CGV)
  • ARBOM
  • Arbovirus IgM Antibody Panel
Laboratory
Sendout
Reference Laboratory
MDHHS 2771
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect CSF and place in a sterile tube or container. Refrigerate. The acute specimen must be drawn at least 8 days post-onset for detectable levels of antibody to be present. Arbovirus testing on serum specimens is not recommended because antibodies to these viruses can persist in serum for over a year after acute infection.

Contraindications
Serum specimens are NOT acceptable; arbovirus testing on serum is not recommended because antibodies to these viruses can persist in serum for over a year after acute infection. All test requests will be canceled and the clinician notified.

Normal Volume
2.5 mL CSF
Minimum Volume
1.5 mL CSF
Additional Information

Panel includes Eastern Equine Encephalitis (EEE), St. Louis Encephalitis (SLE), California Group (CGV) Encephalitis [Lacrosse Strain], and West Nile virus (WNV) IgM antibodies. Test sent to Michigan Department of Health & Human Services (MDHHS); although there is no charge for testing, MLabs charges a handling fee for processing and forwarding specimens to MDHHS. For additional information plese refer to the August 2010 MDHHS Arbovirus Testing memo and test information document available online at http://www.pathology.med.umich.edu/handbook/Tables/MDCH_Arbovirus_8-201….

Billing
CPT Code
99001
Fee Code
20230
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