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Test Code LAB1232469 West Nile Virus Antibody, IgG and IgM, Serum

Important Note

Mayo's Test Code: WNS

Useful For

Laboratory diagnosis of infection with West Nile virus using 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

Reporting Name

West Nile Virus Ab, IgG and IgM, S

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


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
Heat Inactivated specimen Reject

Reference Values

IgG: negative

IgM: negative

 

Reference values apply to all ages.

Day(s) Performed

Monday, Wednesday, Friday

Report Available

Same day/1 to 4 days

Specimen Retention Time

14 days

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 94854-7

 

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

Forms

If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.

Testing Algorithm

The following algorithms are available:

-Meningitis/Encephalitis Panel Algorithm

-Mosquito-borne Disease Laboratory Testing

Asante Lab Test Catalog Additional Information:

WNSB