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Test ID NBLD0133 West Nile Virus Antibody, IgG and IgM, Spinal Fluid

Useful For

Aids in diagnosis of central nervous system infection with West Nile virus

Profile Information

Test ID Reporting Name Available Separately Always Performed
WNGC West Nile Virus Ab, IgG, CSF No Yes
WNMC West Nile Virus Ab, IgM, CSF No Yes
WNVCI West Nile CSF Interpretation No Yes

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Reporting Name

West Nile Virus Ab, IgG and IgM,CSF

Specimen Type

CSF


Specimen Required


Supplies: Aliquot Tube, 5 mL (T465)

Collection Container/Tube: Sterile vial

Submission Container/Tube: Plastic, 5-mL aliquot tube (T465)

Specimen Volume: 1 mL


Specimen Minimum Volume

0.8 mL

Specimen Stability Information

Specimen Type Temperature Time
CSF Refrigerated (preferred) 7 days
  Frozen  30 days

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

NA

Icterus

NA

Other

NA

Reference Values

IgG: Negative

IgM: Negative

Reference values apply to all ages.

Day(s) and Time(s) Performed

Monday, Wednesday, Friday; 9 a.m.

Analytic Time

Same day/1 day

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

IgG: 86789

IgM: 86788

Secondary ID

36772

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

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