Test Code CAVP California Virus (La Crosse) IgG and IgM, Serum
Useful For
Aiding the diagnosis of California (La Crosse) encephalitis using serum specimens
Method Name
Immunofluorescence Assay (IFA)
Reporting Name
Calif Virus (LaCrosse)IgG and IgM,SSpecimen Type
SerumOrdering Guidance
This assay detects only California virus. For a complete arbovirus panel, order ARBOP / Arbovirus Antibody Panel, IgG and IgM, 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 plastic vial.
Specimen Minimum Volume
0.15 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 |
Reference Values
IgG: <1:10
IgM: <1:10
Reference values apply to all ages.
Day(s) Performed
Monday through Friday
Report Available
Same day/1 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterTest Classification
This test has been cleared, approved, or is exempt by the US 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.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 | 96499-9 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
8764 | Calif (LaCrosse) Encep Ab, IgG, S | In Process |
87280 | Calif (LaCrosse) Encep Ab, IgM, S | In Process |
NY State Approved
YesForms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.
Testing Algorithm
For more information see Mosquito-borne Disease Laboratory Testing.