A77.0

Applicable To

• Rocky Mountain spotted fever

• Sao Paulo fever

Approximate Synonyms

• Rocky mountain spotted fever

Clinical Information

• Acute, infectious, sometimes fatal disease caused by rickettsia rickettsii usually transmitted by ixodid ticks; occurs only in north and south america; manifestations include chills, fever, rash, headache, myalgia, and prostration.

• An acute febrile illness caused by rickettsia rickettsii. It is transmitted to humans by bites of infected ticks and occurs only in north and south america. Characteristics include a sudden onset with headache and chills and fever lasting about two to three weeks. A cutaneous rash commonly appears on the extremities and trunk about the fourth day of illness.

Details

• A77.0 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 A77.0 became effective on October 1, 2022.

• This is the American ICD-10-CM version of A77.0 – other international versions of ICD-10 A77.0 may differ.