Arbovirus Antibodies, IgM CSF - LG6414


Sunquest Code:ARMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Synonyms:Encephalitis Antibodies, IgM
Methodology:Indirect fluorescent antibody/Enzyme linked immunosorbent assay
CPT Code:86651, 86652, 86653, 86654, 86788
Test Includes:California Encephalitis Antibody, Eastern Equine Encephalitis Antibody, St. Louis Encephalitis, 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:

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:1.5 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:2001595


Interpretive

Reference Range:
St. 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 useful.
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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