Understanding the Significance of Mycoplasma IgG Levels Over 1000 Kumar Jeetendra | December 6, 2023 According to blood test results, the presence of elevated Mycoplasma IgG levels at over 1000 specifically indicates that someone has been exposed to or infected with Mycoplasma bacteria. For example, Mycoplasma infections are caused by some types of bacteria belonging to the genus, such as those affecting the urogenital and respiratory systems. Below is a …