Arbovirus Antibodies, IgG by IFA, CSF - LG6413


Sunquest Code:ARMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Synonyms:Encephalitis Antibodies, IgG
Methodology:Indirect fluorescent antibody/Enzyme linked immunosorbent assay
CPT Code:86651, 86652, 86653, 86654, 86789
Test Includes:California Encephalitis Antibody, Eastern Equine Encephalitis Antibody, St. Louis Encephalitis Antibody, Western Equine Encephalitis Antibody, West Nile Virus Antibody
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-5 days.
Compliance:

The manufacturer has not determined the efficacy of this test when performed on CSF specimens. The performance characteristics of this test were determined by ARUP Laboratories.



Collection Instructions

Specimen:CSF
Optimal Volume:4 mL
Minimum\Peds Volume:1.5 mL
Container:Sterile tube (Plastic leakproof container, sterile)
Causes for Rejection:Plasma, heat-inactivated, contaminated, lipemic 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:2001596


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, Serum

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 Antibody detected. Repeat testing in 10-14 days may be helpful

1:50 IV or greater – Positive. Presence of West Nile Virus IgG Antibody detected, suggestive or current or past infection

 

 



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