A tick-borne disease characterized by fever; headache; myalgias; anorexia; and occasionally rash. It is caused by several bacterial species and can produce disease in dogs; cattle; sheep; goats; horses; and humans. The primary species causing human disease are ehrlichia chaffeensis; anaplasma phagocytophilum; and ehrlichia ewingii.
Febrile illness caused by infection with ehrlichia species.
A77.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2023 edition of ICD-10-CM A77.4 became effective on October 1, 2022.
This is the American ICD-10-CM version of A77.4 – other international versions of ICD-10 A77.4 may differ.