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Test ID BLOD0130 California Virus (La Crosse) IgG and IgM, Serum

Useful For

Aiding the diagnosis of California virus (La Crosse)

Method Name

Immunofluorescence Assay (IFA)

Reporting Name

Calif Virus (LaCrosse)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

86651 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CAVP Calif Virus (LaCrosse)IgG and IgM,S In Process


Result ID Test Result Name Result LOINC Value
8764 Calif (LaCrosse) Encep Ab, IgG, S 10904-1
87280 Calif (LaCrosse) Encep Ab, IgM, S 10905-8