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HelpTest Code STLP St. Louis Encephalitis Antibody, IgG and IgM, Serum
Useful For
Aiding in the diagnosis of St. Louis encephalitis using serum specimens
Method Name
Immunofluorescence Assay (IFA)
Reporting Name
St. Louis Enceph Ab, IgG and IgM, SSpecimen Type
SerumOrdering Guidance
This assay detects only St. Louis virus. For a complete arbovirus panel, order ARBOP / Arbovirus Antibody Panel, IgG and IgM, Serum.
Specimen Required
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
0.25 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 (May through October)
Monday, Wednesday, Friday (November through April)
Report Available
Same day/1 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test 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
86653 x 2
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| STLP | St. Louis Enceph Ab, IgG and IgM, S | 96255-5 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 8182 | St. Louis Enceph Ab, IgG, S | In Process |
| 87268 | St. Louis Enceph Ab, IgM, S | In Process |
Forms
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.