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Arbovirus Antibodies, IgG, CSF
2001596
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Ordering Recommendation
Not recommended as a stand-alone test. Refer to Arbovirus Antibodies, IgG and IgM, CSF (2001597).
Mnemonic
ARBO CSF G
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.
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
Plasma. Contaminated, heat-inactivated, hemolyzed, or severely lipemic specimens.
Remarks
Stability
Ambient: 8 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval
Effective February 19, 2013
| Components | Reference Interval |
| St. Louis Encephalitis Antibody, IgG by IFA, CSF | Less than 1:1 |
| California Encephalitis Antibody, IgG by IFA, CSF | Less than 1:1 |
| Eastern Equine Encephalitis Antibody, IgG by IFA, CSF | Less than 1:1 |
| Western Equine Encephalitis Antibody, IgG by IFA, CSF | 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 antibody 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. |
Interpretive Data
Compliance Category
Laboratory Developed Test (LDT)
Note
Hotline History
N/A
CPT Codes
86651; 86652; 86653; 86654; 86789
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0050238 | West Nile Virus Antibody IgG CSF | 39572-3 |
| 0098893 | California Encephalitis IgG CSF | 49138-1 |
| 0098895 | St. Louis Encephalitis Ab, IgG, CSF | 21509-5 |
| 0098896 | Eastern Equine Enceph Ab, IgG, CSF | 10897-7 |
| 0098897 | Western Equine Enceph Ab, IgG, CSF | 9315-3 |
* 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
Arbovirus Antibodies, IgG, CSF
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