A20.9

Approximate Synonyms

• Plague

Clinical Information

• A gram-negative bacterial infection caused by yersinia pestis. It is usually transmitted to humans from bites of infected rodent fleas. It is manifested as a bubonic, septicemic, or pneumonic plague. In bubonic plague, the lymph nodes adjacent to the site of the skin bite are infected and enlarged. In septicemic plague, the infection spreads directly through the bloodstream. In pneumonic plague, the infection spreads to the lungs either following bubonic plague, or by inhalation of infective droplets. If untreated, it may lead to death.

• Acute infectious disease caused by yersinia pestis that affects humans, wild rodents, and their ectoparasites; bubonic plague is the most common form.

• An acute infectious disease caused by yersinia pestis that affects humans, wild rodents, and their ectoparasites. This condition persists due to its firm entrenchment in sylvatic rodent-flea ecosystems throughout the world. Bubonic plague is the most common form.

• An infectious disease

• Plague is an infection caused by the bacterium

Details

• A20.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM A20.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of A20.9 – other international versions of ICD-10 A20.9 may differ.