Certain zoonotic bacterial diseases (A20-A28)

ICD-10 codes A20-A28 cover a group of bacterial infections transmitted from animals to humans, known as zoonotic bacterial diseases. These codes help identify specific infections like plague, tularemia, anthrax, brucellosis, and others caused by different bacteria.

This range includes various forms and complications of these diseases, often detailed by the type or site of infection. For example, A20.x codes are used for different types of plague, including bubonic, pneumonic, and septicemic plague. If you see terms like bubonic plague or simply plague, they correspond to these codes. Tularemia, also called Francisella infection, is coded under A21.x with distinctions for ulceroglandular, oculoglandular, and pulmonary forms. Anthrax, identified by terms like cutaneous anthrax or inhalational anthrax, is classified under A22.x. Similarly, brucellosis caused by different Brucella species, glanders, melioidosis, rat-bite fevers, erysipeloid, leptospirosis (including Weil's disease), and other bacterial zoonoses each have dedicated codes that assist medical professionals in accurate diagnosis and treatment documentation.