A77.4 Ehrlichiosis

Non-billable header with 3 child codes.

Excludes1 (never code together)

• anaplasmosis [A. phagocytophilum] (A79.82)
• rickettsiosis due to Ehrlichia sennetsu (A79.81)

Codes under A77.4

• A77.40 Ehrlichiosis, unspecified
• A77.41 Ehrlichiosis chaffeensis [E. chaffeensis]
• A77.49 Other ehrlichiosis

Nearby codes

• A77 Spotted fever [tick-borne rickettsioses]
• A77.0 Spotted fever due to Rickettsia rickettsii
• A77.1 Spotted fever due to Rickettsia conorii
• A77.2 Spotted fever due to Rickettsia siberica
• A77.3 Spotted fever due to Rickettsia australis
• A77.4 Ehrlichiosis (this code)
• A77.40 Ehrlichiosis, unspecified
• A77.41 Ehrlichiosis chaffeensis [E. chaffeensis]
• A77.49 Other ehrlichiosis
• A77.8 Other spotted fevers
• A77.9 Spotted fever, unspecified