1 - 5 days
Rocky Mountain Spotted Fever
Spotted Fever Group Antibody
Tick Borne Disease
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Indirect Fluorescent Antibody (IFA)
Antigen specific IgG and IgM titers allow rapid diagnosis of infection by any of the spotted fever group of rickettsial agents. This group of agents include R. rickettsii (Rocky Mountain Spotted Fever) and R. akari (rickettsial pox), both seen in the continental United States.
Screen: Not detected. Titer: <1:64.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in red top or SST tube.
Collect blood in a red top or SST tube. Centrifuge, aliquot serum into plastic vial and refrigerate. EDTA (lavender top), heparinized (green top) or ACD (yellow top) plasma is also acceptable.