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Test Code STLP St. Louis Encephalitis Antibody, IgG and IgM, Serum

Important Note

CMH Cerner Order: Ref Misc


Ordering 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.


Children's Mercy Hospital Note:

CMH COLLECTION: 1mL blood in a vacutainer    Preferred: Red gel   Acceptable: Red

Specimen Minimum Volume

0.25 mL

Specimen Stability Information

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

Testing Algorithm

For more information see Mosquito-borne Disease Laboratory Testing.

Useful For

Aiding in the diagnosis of St. Louis encephalitis using serum specimens

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject

Day(s) Performed

Monday through Friday (May through October)

Monday, Wednesday, Friday (November through April)

Report Available

Same day/1 to 4 days

Reporting Name

St. Louis Enceph Ab, IgG and IgM, S

Reference Values

IgG: <1:10

IgM: <1:10

Reference values apply to all ages.

Method Name

Immunofluorescence Assay (IFA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86653 x 2