Murine (endemic) typhus

This code represents murine typhus, an acute febrile illness caused by the bacterium Rickettsia typhi. It is transmitted to humans primarily through the bites of fleas infected with the bacteria, often associated with rodents. Symptoms typically include fever, headache, rash, and body aches.

Use this code for confirmed or highly suspected cases of murine typhus based on clinical presentation and epidemiological factors. Documentation should clearly indicate a diagnosis of murine typhus, often supported by serological testing or a history of exposure to infected fleas or rodents.

• Differentiate from other rickettsial infections, such as epidemic typhus (louse-borne), which has a distinct etiology and transmission.
• Ensure documentation specifies "murine" or "endemic" typhus to avoid confusion with other forms of typhus.
• Consider additional codes for any associated complications or manifestations, such as pneumonia or neurological involvement.