Brucella abortus

This code represents brucellosis specifically caused by Brucella abortus, a zoonotic bacterial infection primarily affecting cattle but transmissible to humans. The infection can manifest with a range of symptoms including fever, sweats, malaise, arthralgia, and fatigue, often presenting as an undulating fever.

Use this code when documentation explicitly identifies Brucella abortus as the causative agent of brucellosis. This typically follows laboratory confirmation through culture or serology. Documentation should specify the organism to differentiate from other Brucella species.

• Ensure the documentation specifies Brucella abortus and not another Brucella species (e.g., B. melitensis, B. suis, B. canis).
• Code any associated manifestations or complications of brucellosis (e.g., arthritis, endocarditis) in addition to the primary infection.
• If the specific Brucella species is not documented, use the unspecified brucellosis code (023.9).