Arbovirus Antibodies, IgM, CSF (INACTIVE as of 10/30/14: See Ordering Recommendations)
2001595
Ordering Recommendation
West Nile Virus serology is the only remaining component of this panel available in the U.S. Refer to West Nile testing for IgM, CSF (0050239). See Inactivation Notification.
Mnemonic
ARBO CSF M
Methodology
Semi-Quantitative Indirect Fluorescent Antibody/Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Tue, Fri
Reported
1-5 days  
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
CSF.  
Specimen Preparation
Transfer 4 mL CSF to an ARUP Standard Transport Tube. (Min: 1.5 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Contaminated, heat-inactivated , or hemolyzed specimens.  
Remarks
  
Stability
Ambient: 8 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)  
Reference Interval
 
 
Test Number Components Reference Interval
0098899St. Louis Encephalitis Antibody, IgM by IFA, CSF (INACTIVE as of 10/30/14: See Ordering Recommendations) Less than 1:1
0098898California Encephalitis Antibody, IgM by IFA, CSF (INACTIVE as of 10/30/14: See Ordering Recommendations) Less than 1:1
0098729Eastern Equine Encephalitis Antibody, IgM by IFA, CSF (INACTIVE as of 10/30/14: See Ordering Recommendations) Less than 1:1
0098730Western Equine Encephalitis, Antibody, IgM by IFA, CSF (INACTIVE as of 10/30/14: See Ordering Recommendations) Less than 1:1
0050239West Nile Virus Antibody, IgM by ELISA, CSF 0.89 IV or less: Negative -​ No significant level of West Nile virus IgM antibody detected.
0.90-​1.10 IV: Equivocal -​ Questionable presence of West Nile virus IgM antibody detected.  Repeat testing in 10-​14 days may be helpful.
1.11 IV or greater: Positive -​ Presence of IgM antibody to West Nile virus detected, suggestive of current or recent infection. 
Interpretive Data


See Compliance Statement B: www.aruplab.com/CS
Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
 
Note
 
CPT Code(s)
86651; 86652; 86653; 86654; 86788
Components
Component Test Code*Component Chart NameLOINC
0050239West Nile Virus Antibody IgM CSF29538-6
0098729Eastern Equine Enceph Ab, IgM, CSF10899-3
0098730Western Equine Enceph Ab, IgM, CSF9316-1
0098898California Encephalitis IgM CSF9540-6
0098899St. Louis Encephalitis Ab, IgM, CSF21510-3
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases