A84.8
⚠ Non-billable
Other tick-borne viral encephalitis
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
A84.8
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 A84.8?
ICD-10-CM code A84.8 represents Other tick-borne viral encephalitis. 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 A84.8 billable?
No. A84.8 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is A84.8 in?
A84.8 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the A84 category
A84
Tick-borne viral encephalitis
Non-billable
A84.0
Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
Billable
A84.1
Central European tick-borne encephalitis
Billable
A84.9
Tick-borne viral encephalitis, unspecified
Billable
A84.81
Powassan virus disease
Billable
A84.89
Other tick-borne viral encephalitis
Billable
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