ICD-10-CM A79: Other rickettsioses

ICD-10-CM Diagnosis Code (2025)

Official Description for A79

Other rickettsioses

Coding Notes & Guidelines for A79

Inclusion Terms
  • Quintan fever
  • Wolhynian fever
Inclusion Terms
  • Kew Garden fever
  • Vesicular rickettsiosis
Inclusion Terms

Rickettsiosis due to Neorickettsia sennetsu

Inclusion Terms

Transfusion transmitted A. phagocytophilum

Inclusion Terms

Rickettsial infection NOS

Child Codes (More Specific Codes for A79):

A79.0 - Trench fever A79.1 - Rickettsialpox due to Rickettsia akari A79.8 - Other specified rickettsioses A79.81 - Rickettsiosis due to Ehrlichia sennetsu A79.82 - Anaplasmosis [A. phagocytophilum] A79.89 - Other specified rickettsioses A79.9 - Rickettsiosis, unspecified

About ICD-10-CM Code A79 (Other rickettsioses)

ICD-10-CM code A79 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A79 became effective on October 1, 2024.

This page provides detailed information about A79 - Other rickettsioses. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other rickettsioses.