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Test ID BLOD0443 Western Equine Encephalitis Antibody, IgG and IgM, Serum

Useful For

Aiding the diagnosis of Western equine encephalitis

Method Name

Immunofluorescence Assay (IFA)

Reporting Name

West Equine Enceph Ab,IgG and IgM,S

Specimen Type


Specimen Required


Preferred: Serum gel                 

Acceptable: Red top                                        

Specimen Volume: 0.5 mL

Specimen Minimum Volume

0.15 mL

Specimen Stability Information

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

Reject Due To


Mild OK; Gross reject


Mild OK; Gross reject





Reference Values

IgG: <1:10

IgM: <1:10

Day(s) and Time(s) Performed

May through October: Monday through Friday; 9 a.m.


November through April: Monday, Wednesday, Friday; 9 a.m.

Analytic Time

Same day/1 day

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions.

CPT Code Information

86654 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
WEEP West Equine Enceph Ab,IgG and IgM,S 69041-2


Result ID Test Result Name Result LOINC Value
8193 West Equine Enceph Ab, IgG, S 6957-5
87279 West Equine Enceph Ab, IgM, S 6958-3