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.
1 - 5 days
- Febrile Agglutinins
- Rocky Mountain Spotted Fever
- Weil-Felix Agglutinins
- Spotted Fever Group Antibody
- Rickettsia rickettsii
- Tick Borne Disease
If IgG or IgM antibodies are detected the appropriate titer will be performed at an additional charge. By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated. Test sent to Quest Diagnostics Nichols Institute of Valencia.