A79 Other rickettsioses

Category / Non-billable header 7 subcodes

Block: Rickettsioses (A75-A79)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
A79..0 Trench fever Yes
A79..1 Rickettsialpox due to Rickettsia akari Yes
A79..8 Other specified rickettsioses No
A79..81 Rickettsiosis due to Ehrlichia sennetsu Yes
A79..82 Anaplasmosis [A. phagocytophilum] Yes
A79..89 Other specified rickettsioses Yes
A79..9 Rickettsiosis, unspecified Yes

Last reviewed: September 2026