A77.4
Ehrlichiosis
Clinical Information
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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.
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Febrile illness caused by infection with ehrlichia species.
Details
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A77.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
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The 2023 edition of ICD-10-CM A77.4 became effective on October 1, 2022.
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This is the American ICD-10-CM version of A77.4 – other international versions of ICD-10 A77.4 may differ.