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HelpTest Code WEEP Western Equine Encephalitis Antibody, IgG and IgM, Serum
Useful For
Aiding the diagnosis of Western equine encephalitis using serum specimens
Reporting Name
West Equine Enceph Ab,IgG and IgM,SSpecimen Type
SerumSpecimen 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
0.15 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
(May through October) Monday through Friday
(November through April) Monday, Wednesday, Friday
Report Available
Same day/1 to 4 daysSpecimen Retention Time
2 weeksPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 | 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