LAB1211 - CURRENTLY UNAVAILABLE
Collect
Serum separator tube. Also acceptable: Plain red.
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.15 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of acute specimens. Mark specimens plainly as "acute" or "convalescent."
Unacceptable Conditions
Contaminated, hemolyzed, or severely lipemic, specimens.
Storage/Transport Temperature
Refrigerated.
Stability (from collection to initiation)
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Performed
Tue, Fri
Methodology
Semi-Quantitative Indirect Fluorescent Antibody/Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Reported
1-5 days
Synonyms
- Encephalitis Antibodies, IgG
- LAB1211
Ordering Recommendations
Not recommended as a stand-alone test. Refer to Arbovirus Antibodies, IgG and IgM, Serum (2001594).
Reference Interval
Effective February 19, 2013
Components | Reference Interval |
St. Louis Encephalitis Antibody, IgG by IFA, Serum | Less than 1:16 |
California Encephalitis Antibody, IgG by IFA, Serum | Less than 1:16 |
Eastern Equine Encephalitis Antibody, IgG by IFA, Serum | Less than 1:16 |
Western Equine Encephalitis Antibody, IgG by IFA, Serum | Less than 1:16 |
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 IgG antibody to West Nile virus detected, suggestive of current or past infection. |
CPT Codes
86651; 86652; 86653; 86654; 86789
Collection |
LAB1211 - CURRENTLY UNAVAILABLE
Collect
Serum separator tube. Also acceptable: Plain red.
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.15 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of acute specimens. Mark specimens plainly as "acute" or "convalescent."
Unacceptable Conditions
Contaminated, hemolyzed, or severely lipemic, specimens.
Storage/Transport Temperature
Refrigerated.
Stability (from collection to initiation)
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Ordering |
Performed
Tue, Fri
Methodology
Semi-Quantitative Indirect Fluorescent Antibody/Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Reported
1-5 days
Synonyms
- Encephalitis Antibodies, IgG
- LAB1211
Ordering Recommendations
Not recommended as a stand-alone test. Refer to Arbovirus Antibodies, IgG and IgM, Serum (2001594).
Result Interpretation |
Reference Interval
Effective February 19, 2013
Components | Reference Interval |
St. Louis Encephalitis Antibody, IgG by IFA, Serum | Less than 1:16 |
California Encephalitis Antibody, IgG by IFA, Serum | Less than 1:16 |
Eastern Equine Encephalitis Antibody, IgG by IFA, Serum | Less than 1:16 |
Western Equine Encephalitis Antibody, IgG by IFA, Serum | Less than 1:16 |
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 IgG antibody to West Nile virus detected, suggestive of current or past infection. |
Administrative |
CPT Codes
86651; 86652; 86653; 86654; 86789