Chlamydia Pneumoniae/Mycoplasma Pneumoniae IgM Antibody(CP/MP IgM Ab) Determination Kit is an in vitro diagnostic test for qualitative detection of CP/MP-IgM antibody in human serum, plasma and whole blood specimens. Chlamydia pneumoniae (CP) is a new species named in 1989, it has only one serotype and the representative strain is TWAR. Mycoplasma pneumoniae (MP) belongs to the genus Mycoplasma of the family Mycoplasma, Mollicutes, and is a prokaryotic microorganism without cell walls that can grow and reproduce on an inanimate medium and is the smallest and difficult to stain between viruses and bacteria.