A85.2
BillableArthropod-borne viral encephalitis, unspecified
A85.2 is the ICD-10-CM code for Arthropod-borne viral encephalitis, unspecified. It is a billable, specific code valid for reimbursement.
A00-B99 Certain infectious and parasitic diseases
What this means — in plain language
MedlinePlus · NIHWhat is encephalitis? Encephalitis is inflammation (swelling) of the brain. It can happen when an infection or medical condition that affects the brain activates your immune system. The inflammation can cause a wide range of symptoms. In extreme cases, it can lead to brain damage, stroke , or even death. What causes encephalitis? There are different types of encephalitis, based on what the cause is. The two main…
Read more about Encephalitis at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •West nile virus with encephalitis (A92.31)
Frequently asked questions
- What is ICD-10 code A85.2?
- A85.2 is the ICD-10-CM code for "Arthropod-borne viral encephalitis, unspecified". It falls under A00-B99 Certain infectious and parasitic diseases.
- Is A85.2 a billable code?
- Yes — A85.2 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from A85.2?
- Excludes1 (not coded here): West nile virus with encephalitis (A92.31).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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