A79.8
⚠ Non-billable
Other specified rickettsioses
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
A79.8
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code A79.8?
ICD-10-CM code A79.8 represents Other specified rickettsioses. It is a non-billable header code requiring a more specific subcategory in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is A79.8 billable?
No. A79.8 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is A79.8 in?
A79.8 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the A79 category
A79
Other rickettsioses
Non-billable
A79.0
Trench fever
Billable
A79.1
Rickettsialpox due to Rickettsia akari
Billable
A79.9
Rickettsiosis, unspecified
Billable
A79.81
Rickettsiosis due to Ehrlichia sennetsu
Billable
A79.82
Anaplasmosis [A. phagocytophilum]
Billable
A79.89
Other specified rickettsioses
Billable
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