ICD-10-CM · Chapter 1

A77..4 Ehrlichiosis

Non-billable header

← A77 — Spotted fever [tick-borne rickettsioses] Chapter 1: A00-B99

Excludes 1 (cannot be coded together)

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

Last reviewed: September 2026