A79.81Billable

Rickettsiosis due to Ehrlichia sennetsu

Chapter
1. Certain infectious and parasitic diseases
Category
A79
Effective date
October 1, 2026

Related codes in category A79

A79Other rickettsiosesA79.0Trench feverYesA79.1Rickettsialpox due to Rickettsia akariYesA79.8Other specified rickettsiosesA79.82Anaplasmosis [A. phagocytophilum]YesA79.89Other specified rickettsiosesYesA79.9Rickettsiosis, unspecifiedYes

Frequently asked questions

What is ICD-10 code A79.81?

A79.81 is an ICD-10-CM diagnosis code for Rickettsiosis due to Ehrlichia sennetsu.

Is A79.81 a billable code?

Yes. A79.81 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A79.81 in?

A79.81 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A79.81 become effective?

A79.81 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A79.81?

A79.81 belongs to category A79, which includes 7 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.