Arbovirus Antibodies, IgG and IgM CSF - LG6575


Sunquest Code:ARMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Synonyms:Encephalitis Antibodies, IgM; Encephalitis Antibodies IgG
Methodology:Indirect fluorescent antibody/Enzyme linked immunosorbent assay
CPT Code:86651 x2, 86652 x2, 86653 x2, 86654 x2, 86788 x2
Test Includes:California Encephalitis Antibody, Eastern Equine Encephalitis Antibody, St. Louis Encephalitis, Western Equine Encephalitis Antibody, Weest Nile Virus Antibody
Turnaround Time:Specimens are sent to the reference laboratory Mon-Sat.; results are reported within 1-5 days.
Compliance:

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.



Collection Instructions

Specimen:CSF
Optimal Volume:4 mL
Minimum\Peds Volume:2.5 mL
Container:Sterile tube (Plastic leakproof container, sterile)
Causes for Rejection:Heat-inactivated, contaminated or hemolyzed specimens.


Processing and Shipping

Specimen Processing:Do not process. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2001597


Interpretive

Reference Range:
California Encephalitis Antibody, IgG Less than 1:1
St. Louis Encephalitis Antibody, IgG Less than 1:1
Western Equine Encephalitis Antibody, IgG Less than 1:1
Eastern Equine Encephalitis Antibody, IgG Less than 1:1
West Nile Virus Antibody, IgG by ELISA, CSF 1.29 IV or less: Negative-No significant level of West Nile Virus IgG Antibody detected.
1.30-1.49 IV: Equivocal-Questionable presence of West Nile Virus IgG detected. Repeat testing in 10-14 days may be helpful.
1.50 IV or greater: Positive-Presence of IgG antibody to West Nile Virus detected, suggestive of current or past infection.

 
Louis Encephalitis Antibody IgM by IFA, CSF Less than 1:1
California Encephalitis Antibody, IgM by IFA, CSF Less than 1:1
Eastern Equine Encephalitis Antibody, IgM by IFA, CSF Less than 1:1
Western Equine Encephalitis Antibody, IgM by IFA, CSF Less than 1:1
West 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.
 


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