The MRL Diagnostics Rickettsia Indirect Immunofluorescence Antibody (IFA) IgM test is intended for the detection and semi-quantitation of human IgM class antibodies to Spotted Fever and Typhus Fever Group rickettsia, as an in vitro aid in the diagnosis of diseases caused by these organisms.

Each kit contains ten 8-well slides with R. typhi and R. rickettsii spotted separately on each well, yolk sac diluent, positive and negative controls, IgM conjugate and IgM pretreatment diluent.