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Test Code WNS West Nile Virus Antibody, IgG and IgM, Serum

Useful For

Laboratory diagnosis of infection with West Nile virus in serum specimens

Profile Information

Test ID Reporting Name Available Separately Always Performed
WNGS West Nile Virus Ab, IgG, S No Yes
WNMS West Nile Virus Ab, IgM, S No Yes
WNVSI West Nile Serum Interpretation No Yes

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Reporting Name

West Nile Virus Ab, IgG and IgM, S

Specimen Type

Serum


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject
Other Heat Inactivated specimen

Reference Values

IgG: negative

IgM: negative

Reference values apply to all ages

Day(s) and Time(s) Performed

Monday, Wednesday, Friday; 9 a.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

IgG-86789

IgM-86788

LOINC Code Information

Test ID Test Order Name Order LOINC Value
WNS West Nile Virus Ab, IgG and IgM, S In Process

 

Result ID Test Result Name Result LOINC Value
WNGS West Nile Virus Ab, IgG, S 29566-7
WNMS West Nile Virus Ab, IgM, S 29567-5
WNVSI West Nile Serum Interpretation 69048-7

Secondary ID

36769

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.

Testing Algorithm

The following algorithms are available in Special Instructions:

-Meningitis/Encephalitis Panel Algorithm

-Mosquito-borne Disease Laboratory Testing