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23226 Arbovirus and West Nile Antibody Panel, IgG and IgM, CSF (AWNC)

Arbovirus and West Nile Antibody Panel, IgG and IgM, CSF (AWNC)
Test Code: ARBOCSO
Synonyms/Keywords
​Ref Lab Code: 87813, Alphavirus (Old Arbovirus, Group A), Arbovirus Serology, California Virus (LaCrosse) Antibodies, Central Nervous System (CNS) Screen,
Eastern Equine Encephalitits (EEE), Encephalitis Antibodies, Flavivirus (Old Arbovirus, Group B), LaCrosse Viral Antibodies, Saint Louis Encephalitis Antibodies,
St. Louis Encephalitis (SLE), West Nile Virus, Western Equine Encephalitis (WEE)
Useful For
​See Inidivudal Unit Codes
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
CSF​ ​Steril vial ​ ​0.8 mL ​0.6 mL ​
Specimen Stability Information
Specimen Type Temperature Time
​CSF ​Refrigerated (preferred) ​14 days
​ ​Frozen ​14 days
Rejection Criteria
Hemolysis Mild OK; Gross reject
​Lipemia ​Mild OK; Gross reject
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Medical Laboratories Monday through Friday​ ​Same day/1 day
CAVPC/83900, EEPC/83917, STLPC/83916, WEEPC/83918: Immunofluorescence Assay (IFA)
WNVC/88680: Enzyme-Linked Immunosorbent Assay (ELISA)​
Reference Lab
Mayo Clinic Laboratories
Test Information
​ Test is for spinal fluid. Panel includes California Virus (LaCrosse) Encephalitis Ab (IgG and IgM), Eastern Equine Encephalitis Ab (IgG and IgM), Western Equine Ab (IgG and IgM), St. Louis Encephalitis Ab (IgG and IgM) and West Nile (IgG and IgM).
Reference Range Information
CALIFORNIA VIRUS (La CROSSE) ENCEPHALITIS ANTIBODY
IgG: <1:10
IgM: <1:10 
Reference values apply to all ages.
 
EASTERN EQUINE ENCEPHALITIS ANTIBODY
IgG: <1:10
IgM: <1:10 
Reference values apply to all ages.
 
ST. LOUIS ENCEPHALITIS ANTIBODY
IgG: <1:10
IgM: <1:10 
Reference values apply to all ages.
 
WESTERN EQUINE ENCEPHALITIS
IgG: <1:10
IgM: <1:10 
Reference values apply to all ages.
 
WEST NILE VIRUS
IgG: negative
IgM: negative
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86651​ ​ ​2 California virus (La Crosse) encephalitis antibody, IgG and IgM ​
​86652 ​ ​2 Eastern equine encephalitis antibody, IgG and IgM​ ​
​86653 ​ ​2 St. Louis encephalitis antibody, IgG and IgM​ ​
​86654 ​ ​2 Western equine encephalitis antibody, IgG and IgM​ ​
​86788 ​ ​ West Nile virus antibody, IgM​ ​
​86789 ​ ​ West Nile virus antibody, IgG​ ​
Synonyms/Keywords
​Ref Lab Code: 87813, Alphavirus (Old Arbovirus, Group A), Arbovirus Serology, California Virus (LaCrosse) Antibodies, Central Nervous System (CNS) Screen,
Eastern Equine Encephalitits (EEE), Encephalitis Antibodies, Flavivirus (Old Arbovirus, Group B), LaCrosse Viral Antibodies, Saint Louis Encephalitis Antibodies,
St. Louis Encephalitis (SLE), West Nile Virus, Western Equine Encephalitis (WEE)
Ordering Applications
Ordering Application Description
​Centricity ​Arbovirus & WestNIle CSF (AWNC)
​Cerner ​Arbovirus Ab Panel IgG-IgM CSF (83897)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
CSF​ ​Steril vial ​ ​0.8 mL ​0.6 mL ​
Specimen Stability Information
Specimen Type Temperature Time
​CSF ​Refrigerated (preferred) ​14 days
​ ​Frozen ​14 days
Rejection Criteria
Hemolysis Mild OK; Gross reject
​Lipemia ​Mild OK; Gross reject
Useful For
​See Inidivudal Unit Codes
Reference Range Information
CALIFORNIA VIRUS (La CROSSE) ENCEPHALITIS ANTIBODY
IgG: <1:10
IgM: <1:10 
Reference values apply to all ages.
 
EASTERN EQUINE ENCEPHALITIS ANTIBODY
IgG: <1:10
IgM: <1:10 
Reference values apply to all ages.
 
ST. LOUIS ENCEPHALITIS ANTIBODY
IgG: <1:10
IgM: <1:10 
Reference values apply to all ages.
 
WESTERN EQUINE ENCEPHALITIS
IgG: <1:10
IgM: <1:10 
Reference values apply to all ages.
 
WEST NILE VIRUS
IgG: negative
IgM: negative
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Medical Laboratories Monday through Friday​ ​Same day/1 day
CAVPC/83900, EEPC/83917, STLPC/83916, WEEPC/83918: Immunofluorescence Assay (IFA)
WNVC/88680: Enzyme-Linked Immunosorbent Assay (ELISA)​
Reference Lab
Mayo Clinic Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86651​ ​ ​2 California virus (La Crosse) encephalitis antibody, IgG and IgM ​
​86652 ​ ​2 Eastern equine encephalitis antibody, IgG and IgM​ ​
​86653 ​ ​2 St. Louis encephalitis antibody, IgG and IgM​ ​
​86654 ​ ​2 Western equine encephalitis antibody, IgG and IgM​ ​
​86788 ​ ​ West Nile virus antibody, IgM​ ​
​86789 ​ ​ West Nile virus antibody, IgG​ ​
For most current information refer to the Marshfield Laboratory online reference manual.