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HelpTest Code LAB1264 Spotted Fever Group Antibody, IgG and IgM, Serum
Additional Codes
Mayo Test Code: SFGP
Synonym: Rickettsia IgG & IgM
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen 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
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 14 days |
Reference Values
IgG: <1:64
IgM: <1:64
Reference values apply to all ages.
Day(s) Performed
Monday through Friday
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
86757 x 2
Testing Algorithm
For more information see Acute Tick-Borne Disease Testing Algorithm.
Special Instructions
Useful For
Aiding in the diagnosis of spotted fever group rickettsial infections
Report Available
Same day/1 to 3 daysReject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
Method Name
Immunofluorescence
Forms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.