A79.8 Other specified rickettsioses

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Other specified rickettsioses is A79.8 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
A75-A79: Rickettsioses (A75-A79)
Category A79
8 codes (6 billable)
FY2026 Status
Stable since FY2024

Official Coding Guidelines

HIV Infections (TOC entry)

a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.a
Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

A79 Other rickettsioses

More Specific Codes

A79.81 Rickettsiosis due to Ehrlichia sennetsu A79.82 Anaplasmosis [A. phagocytophilum] A79.89 Other specified rickettsioses

Related Codes in A79

A79 Other rickettsioses A79.0 Trench fever A79.1 Rickettsialpox due to Rickettsia akari A79.81 Rickettsiosis due to Ehrlichia sennetsu A79.82 Anaplasmosis [A. phagocytophilum] A79.89 Other specified rickettsioses A79.9 Rickettsiosis, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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