What does medical billing code 87511 billed for?

Medical billing code 87511 is used for the laboratory testing of Infectious Diseases, specifically for the detection of Chlamydia trachomatis and Neisseria gonorrhoeae using nucleic acid amplification techniques (NAAT). This code is typically applied when testing for these sexually transmitted infections (STIs) through a sample such as urine or a swab. It reflects the process of identifying these pathogens to aid in diagnosis and treatment.